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Degree 2 serendipity H(curl) on a hexahedron

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In this example:
\(\displaystyle l_{0}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{0}}\boldsymbol{v}\cdot(2 s_{0}^{2} - 3 s_{0} + 1)\hat{\boldsymbol{t}}_{0}\)
where \(e_{0}\) is the 0th edge;
and \(\hat{\boldsymbol{t}}_{0}\) is the tangent to edge 0.

\(\displaystyle \boldsymbol{\phi}_{0} = \left(\begin{array}{c}\displaystyle 30 x^{2} y z - 30 x^{2} y - 30 x^{2} z + 30 x^{2} - 36 x y z + 36 x y + 36 x z - 36 x - 3 y^{2} z + 3 y^{2} - 3 y z^{2} + 15 y z - 12 y + 3 z^{2} - 12 z + 9\\\displaystyle 5 x \left(2 x^{2} z - 2 x^{2} - 3 x z + 3 x + z - 1\right)\\\displaystyle 5 x \left(2 x^{2} y - 2 x^{2} - 3 x y + 3 x + y - 1\right)\end{array}\right)\)

This DOF is associated with edge 0 of the reference element.
\(\displaystyle l_{1}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{0}}\boldsymbol{v}\cdot(s_{0} \cdot \left(2 s_{0} - 1\right))\hat{\boldsymbol{t}}_{0}\)
where \(e_{0}\) is the 0th edge;
and \(\hat{\boldsymbol{t}}_{0}\) is the tangent to edge 0.

\(\displaystyle \boldsymbol{\phi}_{1} = \left(\begin{array}{c}\displaystyle 30 x^{2} y z - 30 x^{2} y - 30 x^{2} z + 30 x^{2} - 24 x y z + 24 x y + 24 x z - 24 x - 3 y^{2} z + 3 y^{2} - 3 y z^{2} + 9 y z - 6 y + 3 z^{2} - 6 z + 3\\\displaystyle 5 x \left(2 x^{2} z - 2 x^{2} - 3 x z + 3 x + z - 1\right)\\\displaystyle 5 x \left(2 x^{2} y - 2 x^{2} - 3 x y + 3 x + y - 1\right)\end{array}\right)\)

This DOF is associated with edge 0 of the reference element.
\(\displaystyle l_{2}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{0}}\boldsymbol{v}\cdot(4 s_{0} \cdot \left(1 - s_{0}\right))\hat{\boldsymbol{t}}_{0}\)
where \(e_{0}\) is the 0th edge;
and \(\hat{\boldsymbol{t}}_{0}\) is the tangent to edge 0.

\(\displaystyle \boldsymbol{\phi}_{2} = \left(\begin{array}{c}\displaystyle - 15 x^{2} y z + 15 x^{2} y + 15 x^{2} z - 15 x^{2} + 15 x y z - 15 x y - 15 x z + 15 x - 3 y^{2} z + 3 y^{2} - 3 y z^{2} + \frac{9 y z}{2} - \frac{3 y}{2} + 3 z^{2} - \frac{3 z}{2} - \frac{3}{2}\\\displaystyle \frac{5 x \left(- 2 x^{2} z + 2 x^{2} + 3 x z - 3 x - z + 1\right)}{2}\\\displaystyle \frac{5 x \left(- 2 x^{2} y + 2 x^{2} + 3 x y - 3 x - y + 1\right)}{2}\end{array}\right)\)

This DOF is associated with edge 0 of the reference element.
\(\displaystyle l_{3}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{1}}\boldsymbol{v}\cdot(2 s_{0}^{2} - 3 s_{0} + 1)\hat{\boldsymbol{t}}_{1}\)
where \(e_{1}\) is the 1st edge;
and \(\hat{\boldsymbol{t}}_{1}\) is the tangent to edge 1.

\(\displaystyle \boldsymbol{\phi}_{3} = \left(\begin{array}{c}\displaystyle 5 y \left(2 y^{2} z - 2 y^{2} - 3 y z + 3 y + z - 1\right)\\\displaystyle - 3 x^{2} z + 3 x^{2} + 30 x y^{2} z - 30 x y^{2} - 36 x y z + 36 x y - 3 x z^{2} + 15 x z - 12 x - 30 y^{2} z + 30 y^{2} + 36 y z - 36 y + 3 z^{2} - 12 z + 9\\\displaystyle 5 y \left(2 x y^{2} - 3 x y + x - 2 y^{2} + 3 y - 1\right)\end{array}\right)\)

This DOF is associated with edge 1 of the reference element.
\(\displaystyle l_{4}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{1}}\boldsymbol{v}\cdot(s_{0} \cdot \left(2 s_{0} - 1\right))\hat{\boldsymbol{t}}_{1}\)
where \(e_{1}\) is the 1st edge;
and \(\hat{\boldsymbol{t}}_{1}\) is the tangent to edge 1.

\(\displaystyle \boldsymbol{\phi}_{4} = \left(\begin{array}{c}\displaystyle 5 y \left(2 y^{2} z - 2 y^{2} - 3 y z + 3 y + z - 1\right)\\\displaystyle - 3 x^{2} z + 3 x^{2} + 30 x y^{2} z - 30 x y^{2} - 24 x y z + 24 x y - 3 x z^{2} + 9 x z - 6 x - 30 y^{2} z + 30 y^{2} + 24 y z - 24 y + 3 z^{2} - 6 z + 3\\\displaystyle 5 y \left(2 x y^{2} - 3 x y + x - 2 y^{2} + 3 y - 1\right)\end{array}\right)\)

This DOF is associated with edge 1 of the reference element.
\(\displaystyle l_{5}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{1}}\boldsymbol{v}\cdot(4 s_{0} \cdot \left(1 - s_{0}\right))\hat{\boldsymbol{t}}_{1}\)
where \(e_{1}\) is the 1st edge;
and \(\hat{\boldsymbol{t}}_{1}\) is the tangent to edge 1.

\(\displaystyle \boldsymbol{\phi}_{5} = \left(\begin{array}{c}\displaystyle \frac{5 y \left(- 2 y^{2} z + 2 y^{2} + 3 y z - 3 y - z + 1\right)}{2}\\\displaystyle - 3 x^{2} z + 3 x^{2} - 15 x y^{2} z + 15 x y^{2} + 15 x y z - 15 x y - 3 x z^{2} + \frac{9 x z}{2} - \frac{3 x}{2} + 15 y^{2} z - 15 y^{2} - 15 y z + 15 y + 3 z^{2} - \frac{3 z}{2} - \frac{3}{2}\\\displaystyle \frac{5 y \left(- 2 x y^{2} + 3 x y - x + 2 y^{2} - 3 y + 1\right)}{2}\end{array}\right)\)

This DOF is associated with edge 1 of the reference element.
\(\displaystyle l_{6}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{2}}\boldsymbol{v}\cdot(2 s_{0}^{2} - 3 s_{0} + 1)\hat{\boldsymbol{t}}_{2}\)
where \(e_{2}\) is the 2nd edge;
and \(\hat{\boldsymbol{t}}_{2}\) is the tangent to edge 2.

\(\displaystyle \boldsymbol{\phi}_{6} = \left(\begin{array}{c}\displaystyle 5 z \left(2 y z^{2} - 3 y z + y - 2 z^{2} + 3 z - 1\right)\\\displaystyle 5 z \left(2 x z^{2} - 3 x z + x - 2 z^{2} + 3 z - 1\right)\\\displaystyle - 3 x^{2} y + 3 x^{2} - 3 x y^{2} + 30 x y z^{2} - 36 x y z + 15 x y - 30 x z^{2} + 36 x z - 12 x + 3 y^{2} - 30 y z^{2} + 36 y z - 12 y + 30 z^{2} - 36 z + 9\end{array}\right)\)

This DOF is associated with edge 2 of the reference element.
\(\displaystyle l_{7}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{2}}\boldsymbol{v}\cdot(s_{0} \cdot \left(2 s_{0} - 1\right))\hat{\boldsymbol{t}}_{2}\)
where \(e_{2}\) is the 2nd edge;
and \(\hat{\boldsymbol{t}}_{2}\) is the tangent to edge 2.

\(\displaystyle \boldsymbol{\phi}_{7} = \left(\begin{array}{c}\displaystyle 5 z \left(2 y z^{2} - 3 y z + y - 2 z^{2} + 3 z - 1\right)\\\displaystyle 5 z \left(2 x z^{2} - 3 x z + x - 2 z^{2} + 3 z - 1\right)\\\displaystyle - 3 x^{2} y + 3 x^{2} - 3 x y^{2} + 30 x y z^{2} - 24 x y z + 9 x y - 30 x z^{2} + 24 x z - 6 x + 3 y^{2} - 30 y z^{2} + 24 y z - 6 y + 30 z^{2} - 24 z + 3\end{array}\right)\)

This DOF is associated with edge 2 of the reference element.
\(\displaystyle l_{8}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{2}}\boldsymbol{v}\cdot(4 s_{0} \cdot \left(1 - s_{0}\right))\hat{\boldsymbol{t}}_{2}\)
where \(e_{2}\) is the 2nd edge;
and \(\hat{\boldsymbol{t}}_{2}\) is the tangent to edge 2.

\(\displaystyle \boldsymbol{\phi}_{8} = \left(\begin{array}{c}\displaystyle \frac{5 z \left(- 2 y z^{2} + 3 y z - y + 2 z^{2} - 3 z + 1\right)}{2}\\\displaystyle \frac{5 z \left(- 2 x z^{2} + 3 x z - x + 2 z^{2} - 3 z + 1\right)}{2}\\\displaystyle - 3 x^{2} y + 3 x^{2} - 3 x y^{2} - 15 x y z^{2} + 15 x y z + \frac{9 x y}{2} + 15 x z^{2} - 15 x z - \frac{3 x}{2} + 3 y^{2} + 15 y z^{2} - 15 y z - \frac{3 y}{2} - 15 z^{2} + 15 z - \frac{3}{2}\end{array}\right)\)

This DOF is associated with edge 2 of the reference element.
\(\displaystyle l_{9}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{3}}\boldsymbol{v}\cdot(2 s_{0}^{2} - 3 s_{0} + 1)\hat{\boldsymbol{t}}_{3}\)
where \(e_{3}\) is the 3th edge;
and \(\hat{\boldsymbol{t}}_{3}\) is the tangent to edge 3.

\(\displaystyle \boldsymbol{\phi}_{9} = \left(\begin{array}{c}\displaystyle 5 y \left(- 2 y^{2} z + 2 y^{2} + 3 y z - 3 y - z + 1\right)\\\displaystyle 3 x \left(- x z + x - 10 y^{2} z + 10 y^{2} + 12 y z - 12 y + z^{2} - 3 z + 2\right)\\\displaystyle 5 x y \left(- 2 y^{2} + 3 y - 1\right)\end{array}\right)\)

This DOF is associated with edge 3 of the reference element.
\(\displaystyle l_{10}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{3}}\boldsymbol{v}\cdot(s_{0} \cdot \left(2 s_{0} - 1\right))\hat{\boldsymbol{t}}_{3}\)
where \(e_{3}\) is the 3th edge;
and \(\hat{\boldsymbol{t}}_{3}\) is the tangent to edge 3.

\(\displaystyle \boldsymbol{\phi}_{10} = \left(\begin{array}{c}\displaystyle 5 y \left(- 2 y^{2} z + 2 y^{2} + 3 y z - 3 y - z + 1\right)\\\displaystyle 3 x \left(- x z + x - 10 y^{2} z + 10 y^{2} + 8 y z - 8 y + z^{2} - z\right)\\\displaystyle 5 x y \left(- 2 y^{2} + 3 y - 1\right)\end{array}\right)\)

This DOF is associated with edge 3 of the reference element.
\(\displaystyle l_{11}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{3}}\boldsymbol{v}\cdot(4 s_{0} \cdot \left(1 - s_{0}\right))\hat{\boldsymbol{t}}_{3}\)
where \(e_{3}\) is the 3th edge;
and \(\hat{\boldsymbol{t}}_{3}\) is the tangent to edge 3.

\(\displaystyle \boldsymbol{\phi}_{11} = \left(\begin{array}{c}\displaystyle \frac{5 y \left(2 y^{2} z - 2 y^{2} - 3 y z + 3 y + z - 1\right)}{2}\\\displaystyle \frac{3 x \left(- 2 x z + 2 x + 10 y^{2} z - 10 y^{2} - 10 y z + 10 y + 2 z^{2} + z - 3\right)}{2}\\\displaystyle \frac{5 x y \left(2 y^{2} - 3 y + 1\right)}{2}\end{array}\right)\)

This DOF is associated with edge 3 of the reference element.
\(\displaystyle l_{12}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{4}}\boldsymbol{v}\cdot(2 s_{0}^{2} - 3 s_{0} + 1)\hat{\boldsymbol{t}}_{4}\)
where \(e_{4}\) is the 4th edge;
and \(\hat{\boldsymbol{t}}_{4}\) is the tangent to edge 4.

\(\displaystyle \boldsymbol{\phi}_{12} = \left(\begin{array}{c}\displaystyle 5 z \left(- 2 y z^{2} + 3 y z - y + 2 z^{2} - 3 z + 1\right)\\\displaystyle 5 x z \left(- 2 z^{2} + 3 z - 1\right)\\\displaystyle 3 x \left(- x y + x + y^{2} - 10 y z^{2} + 12 y z - 3 y + 10 z^{2} - 12 z + 2\right)\end{array}\right)\)

This DOF is associated with edge 4 of the reference element.
\(\displaystyle l_{13}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{4}}\boldsymbol{v}\cdot(s_{0} \cdot \left(2 s_{0} - 1\right))\hat{\boldsymbol{t}}_{4}\)
where \(e_{4}\) is the 4th edge;
and \(\hat{\boldsymbol{t}}_{4}\) is the tangent to edge 4.

\(\displaystyle \boldsymbol{\phi}_{13} = \left(\begin{array}{c}\displaystyle 5 z \left(- 2 y z^{2} + 3 y z - y + 2 z^{2} - 3 z + 1\right)\\\displaystyle 5 x z \left(- 2 z^{2} + 3 z - 1\right)\\\displaystyle 3 x \left(- x y + x + y^{2} - 10 y z^{2} + 8 y z - y + 10 z^{2} - 8 z\right)\end{array}\right)\)

This DOF is associated with edge 4 of the reference element.
\(\displaystyle l_{14}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{4}}\boldsymbol{v}\cdot(4 s_{0} \cdot \left(1 - s_{0}\right))\hat{\boldsymbol{t}}_{4}\)
where \(e_{4}\) is the 4th edge;
and \(\hat{\boldsymbol{t}}_{4}\) is the tangent to edge 4.

\(\displaystyle \boldsymbol{\phi}_{14} = \left(\begin{array}{c}\displaystyle \frac{5 z \left(2 y z^{2} - 3 y z + y - 2 z^{2} + 3 z - 1\right)}{2}\\\displaystyle \frac{5 x z \left(2 z^{2} - 3 z + 1\right)}{2}\\\displaystyle \frac{3 x \left(- 2 x y + 2 x + 2 y^{2} + 10 y z^{2} - 10 y z + y - 10 z^{2} + 10 z - 3\right)}{2}\end{array}\right)\)

This DOF is associated with edge 4 of the reference element.
\(\displaystyle l_{15}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{5}}\boldsymbol{v}\cdot(2 s_{0}^{2} - 3 s_{0} + 1)\hat{\boldsymbol{t}}_{5}\)
where \(e_{5}\) is the 5th edge;
and \(\hat{\boldsymbol{t}}_{5}\) is the tangent to edge 5.

\(\displaystyle \boldsymbol{\phi}_{15} = \left(\begin{array}{c}\displaystyle 3 y \left(- 10 x^{2} z + 10 x^{2} + 12 x z - 12 x - y z + y + z^{2} - 3 z + 2\right)\\\displaystyle 5 x \left(- 2 x^{2} z + 2 x^{2} + 3 x z - 3 x - z + 1\right)\\\displaystyle 5 x y \left(- 2 x^{2} + 3 x - 1\right)\end{array}\right)\)

This DOF is associated with edge 5 of the reference element.
\(\displaystyle l_{16}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{5}}\boldsymbol{v}\cdot(s_{0} \cdot \left(2 s_{0} - 1\right))\hat{\boldsymbol{t}}_{5}\)
where \(e_{5}\) is the 5th edge;
and \(\hat{\boldsymbol{t}}_{5}\) is the tangent to edge 5.

\(\displaystyle \boldsymbol{\phi}_{16} = \left(\begin{array}{c}\displaystyle 3 y \left(- 10 x^{2} z + 10 x^{2} + 8 x z - 8 x - y z + y + z^{2} - z\right)\\\displaystyle 5 x \left(- 2 x^{2} z + 2 x^{2} + 3 x z - 3 x - z + 1\right)\\\displaystyle 5 x y \left(- 2 x^{2} + 3 x - 1\right)\end{array}\right)\)

This DOF is associated with edge 5 of the reference element.
\(\displaystyle l_{17}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{5}}\boldsymbol{v}\cdot(4 s_{0} \cdot \left(1 - s_{0}\right))\hat{\boldsymbol{t}}_{5}\)
where \(e_{5}\) is the 5th edge;
and \(\hat{\boldsymbol{t}}_{5}\) is the tangent to edge 5.

\(\displaystyle \boldsymbol{\phi}_{17} = \left(\begin{array}{c}\displaystyle \frac{3 y \left(10 x^{2} z - 10 x^{2} - 10 x z + 10 x - 2 y z + 2 y + 2 z^{2} + z - 3\right)}{2}\\\displaystyle \frac{5 x \left(2 x^{2} z - 2 x^{2} - 3 x z + 3 x + z - 1\right)}{2}\\\displaystyle \frac{5 x y \left(2 x^{2} - 3 x + 1\right)}{2}\end{array}\right)\)

This DOF is associated with edge 5 of the reference element.
\(\displaystyle l_{18}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{6}}\boldsymbol{v}\cdot(2 s_{0}^{2} - 3 s_{0} + 1)\hat{\boldsymbol{t}}_{6}\)
where \(e_{6}\) is the 6th edge;
and \(\hat{\boldsymbol{t}}_{6}\) is the tangent to edge 6.

\(\displaystyle \boldsymbol{\phi}_{18} = \left(\begin{array}{c}\displaystyle 5 y z \left(- 2 z^{2} + 3 z - 1\right)\\\displaystyle 5 z \left(- 2 x z^{2} + 3 x z - x + 2 z^{2} - 3 z + 1\right)\\\displaystyle 3 y \left(x^{2} - x y - 10 x z^{2} + 12 x z - 3 x + y + 10 z^{2} - 12 z + 2\right)\end{array}\right)\)

This DOF is associated with edge 6 of the reference element.
\(\displaystyle l_{19}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{6}}\boldsymbol{v}\cdot(s_{0} \cdot \left(2 s_{0} - 1\right))\hat{\boldsymbol{t}}_{6}\)
where \(e_{6}\) is the 6th edge;
and \(\hat{\boldsymbol{t}}_{6}\) is the tangent to edge 6.

\(\displaystyle \boldsymbol{\phi}_{19} = \left(\begin{array}{c}\displaystyle 5 y z \left(- 2 z^{2} + 3 z - 1\right)\\\displaystyle 5 z \left(- 2 x z^{2} + 3 x z - x + 2 z^{2} - 3 z + 1\right)\\\displaystyle 3 y \left(x^{2} - x y - 10 x z^{2} + 8 x z - x + y + 10 z^{2} - 8 z\right)\end{array}\right)\)

This DOF is associated with edge 6 of the reference element.
\(\displaystyle l_{20}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{6}}\boldsymbol{v}\cdot(4 s_{0} \cdot \left(1 - s_{0}\right))\hat{\boldsymbol{t}}_{6}\)
where \(e_{6}\) is the 6th edge;
and \(\hat{\boldsymbol{t}}_{6}\) is the tangent to edge 6.

\(\displaystyle \boldsymbol{\phi}_{20} = \left(\begin{array}{c}\displaystyle \frac{5 y z \left(2 z^{2} - 3 z + 1\right)}{2}\\\displaystyle \frac{5 z \left(2 x z^{2} - 3 x z + x - 2 z^{2} + 3 z - 1\right)}{2}\\\displaystyle \frac{3 y \left(2 x^{2} - 2 x y + 10 x z^{2} - 10 x z + x + 2 y - 10 z^{2} + 10 z - 3\right)}{2}\end{array}\right)\)

This DOF is associated with edge 6 of the reference element.
\(\displaystyle l_{21}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{7}}\boldsymbol{v}\cdot(2 s_{0}^{2} - 3 s_{0} + 1)\hat{\boldsymbol{t}}_{7}\)
where \(e_{7}\) is the 7th edge;
and \(\hat{\boldsymbol{t}}_{7}\) is the tangent to edge 7.

\(\displaystyle \boldsymbol{\phi}_{21} = \left(\begin{array}{c}\displaystyle 5 y z \left(2 z^{2} - 3 z + 1\right)\\\displaystyle 5 x z \left(2 z^{2} - 3 z + 1\right)\\\displaystyle 3 x y \left(x + y + 10 z^{2} - 12 z + 1\right)\end{array}\right)\)

This DOF is associated with edge 7 of the reference element.
\(\displaystyle l_{22}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{7}}\boldsymbol{v}\cdot(s_{0} \cdot \left(2 s_{0} - 1\right))\hat{\boldsymbol{t}}_{7}\)
where \(e_{7}\) is the 7th edge;
and \(\hat{\boldsymbol{t}}_{7}\) is the tangent to edge 7.

\(\displaystyle \boldsymbol{\phi}_{22} = \left(\begin{array}{c}\displaystyle 5 y z \left(2 z^{2} - 3 z + 1\right)\\\displaystyle 5 x z \left(2 z^{2} - 3 z + 1\right)\\\displaystyle 3 x y \left(x + y + 10 z^{2} - 8 z - 1\right)\end{array}\right)\)

This DOF is associated with edge 7 of the reference element.
\(\displaystyle l_{23}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{7}}\boldsymbol{v}\cdot(4 s_{0} \cdot \left(1 - s_{0}\right))\hat{\boldsymbol{t}}_{7}\)
where \(e_{7}\) is the 7th edge;
and \(\hat{\boldsymbol{t}}_{7}\) is the tangent to edge 7.

\(\displaystyle \boldsymbol{\phi}_{23} = \left(\begin{array}{c}\displaystyle \frac{5 y z \left(- 2 z^{2} + 3 z - 1\right)}{2}\\\displaystyle \frac{5 x z \left(- 2 z^{2} + 3 z - 1\right)}{2}\\\displaystyle \frac{3 x y \left(2 x + 2 y - 10 z^{2} + 10 z - 5\right)}{2}\end{array}\right)\)

This DOF is associated with edge 7 of the reference element.
\(\displaystyle l_{24}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{8}}\boldsymbol{v}\cdot(2 s_{0}^{2} - 3 s_{0} + 1)\hat{\boldsymbol{t}}_{8}\)
where \(e_{8}\) is the 8th edge;
and \(\hat{\boldsymbol{t}}_{8}\) is the tangent to edge 8.

\(\displaystyle \boldsymbol{\phi}_{24} = \left(\begin{array}{c}\displaystyle 3 z \left(- 10 x^{2} y + 10 x^{2} + 12 x y - 12 x + y^{2} - y z - 3 y + z + 2\right)\\\displaystyle 5 x z \left(- 2 x^{2} + 3 x - 1\right)\\\displaystyle 5 x \left(- 2 x^{2} y + 2 x^{2} + 3 x y - 3 x - y + 1\right)\end{array}\right)\)

This DOF is associated with edge 8 of the reference element.
\(\displaystyle l_{25}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{8}}\boldsymbol{v}\cdot(s_{0} \cdot \left(2 s_{0} - 1\right))\hat{\boldsymbol{t}}_{8}\)
where \(e_{8}\) is the 8th edge;
and \(\hat{\boldsymbol{t}}_{8}\) is the tangent to edge 8.

\(\displaystyle \boldsymbol{\phi}_{25} = \left(\begin{array}{c}\displaystyle 3 z \left(- 10 x^{2} y + 10 x^{2} + 8 x y - 8 x + y^{2} - y z - y + z\right)\\\displaystyle 5 x z \left(- 2 x^{2} + 3 x - 1\right)\\\displaystyle 5 x \left(- 2 x^{2} y + 2 x^{2} + 3 x y - 3 x - y + 1\right)\end{array}\right)\)

This DOF is associated with edge 8 of the reference element.
\(\displaystyle l_{26}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{8}}\boldsymbol{v}\cdot(4 s_{0} \cdot \left(1 - s_{0}\right))\hat{\boldsymbol{t}}_{8}\)
where \(e_{8}\) is the 8th edge;
and \(\hat{\boldsymbol{t}}_{8}\) is the tangent to edge 8.

\(\displaystyle \boldsymbol{\phi}_{26} = \left(\begin{array}{c}\displaystyle \frac{3 z \left(10 x^{2} y - 10 x^{2} - 10 x y + 10 x + 2 y^{2} - 2 y z + y + 2 z - 3\right)}{2}\\\displaystyle \frac{5 x z \left(2 x^{2} - 3 x + 1\right)}{2}\\\displaystyle \frac{5 x \left(2 x^{2} y - 2 x^{2} - 3 x y + 3 x + y - 1\right)}{2}\end{array}\right)\)

This DOF is associated with edge 8 of the reference element.
\(\displaystyle l_{27}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{9}}\boldsymbol{v}\cdot(2 s_{0}^{2} - 3 s_{0} + 1)\hat{\boldsymbol{t}}_{9}\)
where \(e_{9}\) is the 9th edge;
and \(\hat{\boldsymbol{t}}_{9}\) is the tangent to edge 9.

\(\displaystyle \boldsymbol{\phi}_{27} = \left(\begin{array}{c}\displaystyle 5 y z \left(- 2 y^{2} + 3 y - 1\right)\\\displaystyle 3 z \left(x^{2} - 10 x y^{2} + 12 x y - x z - 3 x + 10 y^{2} - 12 y + z + 2\right)\\\displaystyle 5 y \left(- 2 x y^{2} + 3 x y - x + 2 y^{2} - 3 y + 1\right)\end{array}\right)\)

This DOF is associated with edge 9 of the reference element.
\(\displaystyle l_{28}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{9}}\boldsymbol{v}\cdot(s_{0} \cdot \left(2 s_{0} - 1\right))\hat{\boldsymbol{t}}_{9}\)
where \(e_{9}\) is the 9th edge;
and \(\hat{\boldsymbol{t}}_{9}\) is the tangent to edge 9.

\(\displaystyle \boldsymbol{\phi}_{28} = \left(\begin{array}{c}\displaystyle 5 y z \left(- 2 y^{2} + 3 y - 1\right)\\\displaystyle 3 z \left(x^{2} - 10 x y^{2} + 8 x y - x z - x + 10 y^{2} - 8 y + z\right)\\\displaystyle 5 y \left(- 2 x y^{2} + 3 x y - x + 2 y^{2} - 3 y + 1\right)\end{array}\right)\)

This DOF is associated with edge 9 of the reference element.
\(\displaystyle l_{29}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{9}}\boldsymbol{v}\cdot(4 s_{0} \cdot \left(1 - s_{0}\right))\hat{\boldsymbol{t}}_{9}\)
where \(e_{9}\) is the 9th edge;
and \(\hat{\boldsymbol{t}}_{9}\) is the tangent to edge 9.

\(\displaystyle \boldsymbol{\phi}_{29} = \left(\begin{array}{c}\displaystyle \frac{5 y z \left(2 y^{2} - 3 y + 1\right)}{2}\\\displaystyle \frac{3 z \left(2 x^{2} + 10 x y^{2} - 10 x y - 2 x z + x - 10 y^{2} + 10 y + 2 z - 3\right)}{2}\\\displaystyle \frac{5 y \left(2 x y^{2} - 3 x y + x - 2 y^{2} + 3 y - 1\right)}{2}\end{array}\right)\)

This DOF is associated with edge 9 of the reference element.
\(\displaystyle l_{30}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{10}}\boldsymbol{v}\cdot(2 s_{0}^{2} - 3 s_{0} + 1)\hat{\boldsymbol{t}}_{10}\)
where \(e_{10}\) is the 10th edge;
and \(\hat{\boldsymbol{t}}_{10}\) is the tangent to edge 10.

\(\displaystyle \boldsymbol{\phi}_{30} = \left(\begin{array}{c}\displaystyle 5 y z \left(2 y^{2} - 3 y + 1\right)\\\displaystyle 3 x z \left(x + 10 y^{2} - 12 y + z + 1\right)\\\displaystyle 5 x y \left(2 y^{2} - 3 y + 1\right)\end{array}\right)\)

This DOF is associated with edge 10 of the reference element.
\(\displaystyle l_{31}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{10}}\boldsymbol{v}\cdot(s_{0} \cdot \left(2 s_{0} - 1\right))\hat{\boldsymbol{t}}_{10}\)
where \(e_{10}\) is the 10th edge;
and \(\hat{\boldsymbol{t}}_{10}\) is the tangent to edge 10.

\(\displaystyle \boldsymbol{\phi}_{31} = \left(\begin{array}{c}\displaystyle 5 y z \left(2 y^{2} - 3 y + 1\right)\\\displaystyle 3 x z \left(x + 10 y^{2} - 8 y + z - 1\right)\\\displaystyle 5 x y \left(2 y^{2} - 3 y + 1\right)\end{array}\right)\)

This DOF is associated with edge 10 of the reference element.
\(\displaystyle l_{32}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{10}}\boldsymbol{v}\cdot(4 s_{0} \cdot \left(1 - s_{0}\right))\hat{\boldsymbol{t}}_{10}\)
where \(e_{10}\) is the 10th edge;
and \(\hat{\boldsymbol{t}}_{10}\) is the tangent to edge 10.

\(\displaystyle \boldsymbol{\phi}_{32} = \left(\begin{array}{c}\displaystyle \frac{5 y z \left(- 2 y^{2} + 3 y - 1\right)}{2}\\\displaystyle \frac{3 x z \left(2 x - 10 y^{2} + 10 y + 2 z - 5\right)}{2}\\\displaystyle \frac{5 x y \left(- 2 y^{2} + 3 y - 1\right)}{2}\end{array}\right)\)

This DOF is associated with edge 10 of the reference element.
\(\displaystyle l_{33}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{11}}\boldsymbol{v}\cdot(2 s_{0}^{2} - 3 s_{0} + 1)\hat{\boldsymbol{t}}_{11}\)
where \(e_{11}\) is the 11th edge;
and \(\hat{\boldsymbol{t}}_{11}\) is the tangent to edge 11.

\(\displaystyle \boldsymbol{\phi}_{33} = \left(\begin{array}{c}\displaystyle 3 y z \left(10 x^{2} - 12 x + y + z + 1\right)\\\displaystyle 5 x z \left(2 x^{2} - 3 x + 1\right)\\\displaystyle 5 x y \left(2 x^{2} - 3 x + 1\right)\end{array}\right)\)

This DOF is associated with edge 11 of the reference element.
\(\displaystyle l_{34}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{11}}\boldsymbol{v}\cdot(s_{0} \cdot \left(2 s_{0} - 1\right))\hat{\boldsymbol{t}}_{11}\)
where \(e_{11}\) is the 11th edge;
and \(\hat{\boldsymbol{t}}_{11}\) is the tangent to edge 11.

\(\displaystyle \boldsymbol{\phi}_{34} = \left(\begin{array}{c}\displaystyle 3 y z \left(10 x^{2} - 8 x + y + z - 1\right)\\\displaystyle 5 x z \left(2 x^{2} - 3 x + 1\right)\\\displaystyle 5 x y \left(2 x^{2} - 3 x + 1\right)\end{array}\right)\)

This DOF is associated with edge 11 of the reference element.
\(\displaystyle l_{35}:\boldsymbol{v}\mapsto\displaystyle\int_{e_{11}}\boldsymbol{v}\cdot(4 s_{0} \cdot \left(1 - s_{0}\right))\hat{\boldsymbol{t}}_{11}\)
where \(e_{11}\) is the 11th edge;
and \(\hat{\boldsymbol{t}}_{11}\) is the tangent to edge 11.

\(\displaystyle \boldsymbol{\phi}_{35} = \left(\begin{array}{c}\displaystyle \frac{3 y z \left(- 10 x^{2} + 10 x + 2 y + 2 z - 5\right)}{2}\\\displaystyle \frac{5 x z \left(- 2 x^{2} + 3 x - 1\right)}{2}\\\displaystyle \frac{5 x y \left(- 2 x^{2} + 3 x - 1\right)}{2}\end{array}\right)\)

This DOF is associated with edge 11 of the reference element.
\(\displaystyle l_{36}:v\mapsto\displaystyle\int_{f_{0}}(\left(\begin{array}{c}\displaystyle 1\\\displaystyle 0\\\displaystyle 0\end{array}\right))v\)
where \(f_{0}\) is the 0th face.

\(\displaystyle \boldsymbol{\phi}_{36} = \left(\begin{array}{c}\displaystyle 6 y \left(y z - y - z + 1\right)\\\displaystyle 0\\\displaystyle 0\end{array}\right)\)

This DOF is associated with face 0 of the reference element.
\(\displaystyle l_{37}:v\mapsto\displaystyle\int_{f_{0}}(\left(\begin{array}{c}\displaystyle 0\\\displaystyle 1\\\displaystyle 0\end{array}\right))v\)
where \(f_{0}\) is the 0th face.

\(\displaystyle \boldsymbol{\phi}_{37} = \left(\begin{array}{c}\displaystyle 0\\\displaystyle 6 x \left(x z - x - z + 1\right)\\\displaystyle 0\end{array}\right)\)

This DOF is associated with face 0 of the reference element.
\(\displaystyle l_{38}:v\mapsto\displaystyle\int_{f_{1}}(\left(\begin{array}{c}\displaystyle 1\\\displaystyle 0\\\displaystyle 0\end{array}\right))v\)
where \(f_{1}\) is the 1st face.

\(\displaystyle \boldsymbol{\phi}_{38} = \left(\begin{array}{c}\displaystyle 6 z \left(y z - y - z + 1\right)\\\displaystyle 0\\\displaystyle 0\end{array}\right)\)

This DOF is associated with face 1 of the reference element.
\(\displaystyle l_{39}:v\mapsto\displaystyle\int_{f_{1}}(\left(\begin{array}{c}\displaystyle 0\\\displaystyle 0\\\displaystyle 1\end{array}\right))v\)
where \(f_{1}\) is the 1st face.

\(\displaystyle \boldsymbol{\phi}_{39} = \left(\begin{array}{c}\displaystyle 0\\\displaystyle 0\\\displaystyle 6 x \left(x y - x - y + 1\right)\end{array}\right)\)

This DOF is associated with face 1 of the reference element.
\(\displaystyle l_{40}:v\mapsto\displaystyle\int_{f_{2}}(\left(\begin{array}{c}\displaystyle 0\\\displaystyle 1\\\displaystyle 0\end{array}\right))v\)
where \(f_{2}\) is the 2nd face.

\(\displaystyle \boldsymbol{\phi}_{40} = \left(\begin{array}{c}\displaystyle 0\\\displaystyle 6 z \left(x z - x - z + 1\right)\\\displaystyle 0\end{array}\right)\)

This DOF is associated with face 2 of the reference element.
\(\displaystyle l_{41}:v\mapsto\displaystyle\int_{f_{2}}(\left(\begin{array}{c}\displaystyle 0\\\displaystyle 0\\\displaystyle 1\end{array}\right))v\)
where \(f_{2}\) is the 2nd face.

\(\displaystyle \boldsymbol{\phi}_{41} = \left(\begin{array}{c}\displaystyle 0\\\displaystyle 0\\\displaystyle 6 y \left(x y - x - y + 1\right)\end{array}\right)\)

This DOF is associated with face 2 of the reference element.
\(\displaystyle l_{42}:v\mapsto\displaystyle\int_{f_{3}}(\left(\begin{array}{c}\displaystyle 0\\\displaystyle 1\\\displaystyle 0\end{array}\right))v\)
where \(f_{3}\) is the 3th face.

\(\displaystyle \boldsymbol{\phi}_{42} = \left(\begin{array}{c}\displaystyle 0\\\displaystyle 6 x z \left(1 - z\right)\\\displaystyle 0\end{array}\right)\)

This DOF is associated with face 3 of the reference element.
\(\displaystyle l_{43}:v\mapsto\displaystyle\int_{f_{3}}(\left(\begin{array}{c}\displaystyle 0\\\displaystyle 0\\\displaystyle 1\end{array}\right))v\)
where \(f_{3}\) is the 3th face.

\(\displaystyle \boldsymbol{\phi}_{43} = \left(\begin{array}{c}\displaystyle 0\\\displaystyle 0\\\displaystyle 6 x y \left(1 - y\right)\end{array}\right)\)

This DOF is associated with face 3 of the reference element.
\(\displaystyle l_{44}:v\mapsto\displaystyle\int_{f_{4}}(\left(\begin{array}{c}\displaystyle 1\\\displaystyle 0\\\displaystyle 0\end{array}\right))v\)
where \(f_{4}\) is the 4th face.

\(\displaystyle \boldsymbol{\phi}_{44} = \left(\begin{array}{c}\displaystyle 6 y z \left(1 - z\right)\\\displaystyle 0\\\displaystyle 0\end{array}\right)\)

This DOF is associated with face 4 of the reference element.
\(\displaystyle l_{45}:v\mapsto\displaystyle\int_{f_{4}}(\left(\begin{array}{c}\displaystyle 0\\\displaystyle 0\\\displaystyle 1\end{array}\right))v\)
where \(f_{4}\) is the 4th face.

\(\displaystyle \boldsymbol{\phi}_{45} = \left(\begin{array}{c}\displaystyle 0\\\displaystyle 0\\\displaystyle 6 x y \left(1 - x\right)\end{array}\right)\)

This DOF is associated with face 4 of the reference element.
\(\displaystyle l_{46}:v\mapsto\displaystyle\int_{f_{5}}(\left(\begin{array}{c}\displaystyle 1\\\displaystyle 0\\\displaystyle 0\end{array}\right))v\)
where \(f_{5}\) is the 5th face.

\(\displaystyle \boldsymbol{\phi}_{46} = \left(\begin{array}{c}\displaystyle 6 y z \left(1 - y\right)\\\displaystyle 0\\\displaystyle 0\end{array}\right)\)

This DOF is associated with face 5 of the reference element.
\(\displaystyle l_{47}:v\mapsto\displaystyle\int_{f_{5}}(\left(\begin{array}{c}\displaystyle 0\\\displaystyle 1\\\displaystyle 0\end{array}\right))v\)
where \(f_{5}\) is the 5th face.

\(\displaystyle \boldsymbol{\phi}_{47} = \left(\begin{array}{c}\displaystyle 0\\\displaystyle 6 x z \left(1 - x\right)\\\displaystyle 0\end{array}\right)\)

This DOF is associated with face 5 of the reference element.