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Table 8 Weyl group \(D_{4}\), level 3, elements 14–15

From: Extending Snow’s algorithm for computations in the finite Weyl groups

\(N^{o}\)

Weight

Element

Matrix

Inverse

\(\begin{array}{c} 14 \\ (11) \end{array}\)

3, 1, −3, 1

\(\begin{array}{c} s_{3}s_{2}s_{4} \end{array}\)

\( \begin{bmatrix} 1 & 0 & 0 & 0 \\ 1 & 0 & 1 & -1 \\ 1 & 0 & 0 & -1 \\ 0 & 1 & 0 & -1 \end{bmatrix} \)

\(\begin{array}{c} s_{4}s_{2}s_{3} \end{array}\)

\(\begin{array}{c} 15 \\ (15) \end{array}\)

3, −1, 3, −1

\(\begin{array}{c} s_{4}s_{2}s_{4} \end{array}\)

\( \begin{bmatrix} 1 & 0 & 0 & 0 \\ 1 & 0 & 1 & -1 \\ 0 & 0 & 1 & 0 \\ 1 & -1 & 1 & 0 \end{bmatrix} \)

\(\begin{array}{c} s_{4}s_{2}s_{4} \end{array}\)