Characteristic polynomial
$$\begin{equation}\left(\lambda^{7} + 3 \lambda^{6} - 50 \lambda^{5} - 192 \lambda^{4} - 554 \lambda^{3} - 7482 \lambda^{2} - 28080 \lambda - 28793\right) \left(\lambda^{7} + 8 \lambda^{6} + 24 \lambda^{5} + 49 \lambda^{4} + 116 \lambda^{3} - 168 \lambda^{2} - 1500 \lambda - 3557\right)^{2}\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\left(\lambda^{7} + 3 \lambda^{6} - 50 \lambda^{5} - 192 \lambda^{4} - 554 \lambda^{3} - 7482 \lambda^{2} - 28080 \lambda - 28793\right) \left(\lambda^{7} + 8 \lambda^{6} + 24 \lambda^{5} + 49 \lambda^{4} + 116 \lambda^{3} - 168 \lambda^{2} - 1500 \lambda - 3557\right)\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 2 & 2 & 0 & 2 & 2 & 0 & 0 & 0 & 0 & 0 & 3 & 3 & 3 & 3 & 0 & 4 & 4 & 4 & 4 & 5 \\ 1 & -1 & 0 & 0 & 1 & 0 & 2 & 0 & 2 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 3 & 3 & 0 & 0 & 4 \\ 1 & 0 & -1 & 0 & 0 & 1 & 2 & 0 & 0 & 0 & 2 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 3 & 3 & 4 \\ 1 & 0 & 0 & 0 & 1 & 1 & 0 & 2 & 0 & 2 & 0 & 0 & 0 & -4 & 0 & 0 & -3 & 0 & 0 & -3 & 0 \\ 1 & 1 & 0 & 0 & -1 & 0 & 0 & 0 & 0 & 0 & 2 & 0 & 2 & 2 & 2 & 0 & 0 & 0 & 0 & 3 & 0 \\ 1 & 0 & 1 & 0 & 0 & -1 & 0 & 0 & 2 & 0 & 0 & 2 & 0 & 2 & 2 & 0 & 3 & 0 & 0 & 0 & 0 \\ 0 & 1 & 1 & 0 & 0 & 0 & -2 & 0 & 1 & 0 & 1 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 3 \\ 0 & 2 & 0 & 1 & 1 & 0 & 0 & -1 & 1 & 0 & 0 & 1 & 0 & 0 & 0 & 2 & -2 & 2 & 0 & 0 & 0 \\ 0 & 1 & 0 & 0 & 0 & 1 & 1 & 0 & -2 & 0 & 0 & 0 & 0 & 0 & 1 & 0 & 2 & 0 & 0 & 0 & 0 \\ 0 & 0 & 2 & 1 & 0 & 1 & 0 & 0 & 0 & -1 & 1 & 0 & 1 & 0 & 0 & 2 & 0 & 0 & 2 & -2 & 0 \\ 0 & 0 & 1 & 0 & 1 & 0 & 1 & 0 & 0 & 0 & -2 & 0 & 0 & 0 & 1 & 0 & 0 & 0 & 0 & 2 & 0 \\ 0 & 0 & 0 & 1 & 2 & 0 & 0 & 1 & 0 & 0 & 0 & -1 & 0 & -1 & 1 & 0 & 0 & 0 & 2 & 0 & 0 \\ 0 & 0 & 0 & 1 & 0 & 2 & 0 & 0 & 0 & 1 & 0 & 0 & -1 & -1 & 1 & 0 & 0 & 2 & 0 & 0 & 0 \\ 0 & 0 & 0 & 1 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 1 & 1 & 1 & 0 & 0 & 2 & 0 & 0 & 2 & 0 \\ 0 & 0 & 0 & 0 & 1 & 1 & 0 & 0 & 1 & 0 & 1 & 0 & 0 & 1 & -2 & 0 & 0 & 0 & 0 & 0 & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 3 & 1 & 1 & 1 & 1 & -1 & -1 & 0 & -3 & -2 & 0 & 0 & 0 & 0 & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 2 & 0 & 0 & 0 & 3 & 0 & 2 & 0 & 0 & 0 & 1 & 0 & 0 & 2 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 1 & 3 & 0 & 0 & 1 & 2 & 0 & 4 & 1 & 0 & -1 & 1 & 0 & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 1 & 3 & 2 & 1 & 0 & 4 & 1 & 0 & 1 & -1 & 0 & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 2 & 0 & 0 & 3 & 2 & 0 & 0 & 0 & 0 & 1 & 0 & 2 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 3 & 2 & 4 & 4 & 2 & 0\end{pmatrix}\notag\end{equation}$$