Characteristic polynomial
$$\begin{equation}\left(\lambda + 1\right) \left(\lambda^{4} - 3 \lambda^{3} - 50 \lambda^{2} - 156 \lambda - 171\right) \left(\lambda^{8} + 10 \lambda^{7} + 22 \lambda^{6} + 63 \lambda^{5} + 922 \lambda^{4} + 1049 \lambda^{3} + 1457 \lambda^{2} + 9554 \lambda - 9551\right)\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\left(\lambda + 1\right) \left(\lambda^{4} - 3 \lambda^{3} - 50 \lambda^{2} - 156 \lambda - 171\right) \left(\lambda^{8} + 10 \lambda^{7} + 22 \lambda^{6} + 63 \lambda^{5} + 922 \lambda^{4} + 1049 \lambda^{3} + 1457 \lambda^{2} + 9554 \lambda - 9551\right)\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 4 & 4 & 2 & 3 & 0 & 3 & 3 & 3 & 0 & 4 & 8 & 10 \\ 1 & -1 & 2 & 0 & 0 & 2 & 0 & 0 & 0 & 0 & 3 & 3 & 0 \\ 1 & 1 & -1 & 0 & 2 & 0 & 2 & 2 & 2 & 0 & 0 & 0 & 4 \\ 2 & 0 & 1 & 0 & 2 & 4 & 2 & 4 & 0 & 3 & 3 & 0 & 0 \\ 0 & 1 & 3 & 0 & -1 & 0 & 1 & 0 & 0 & 0 & 2 & 2 & 0 \\ 0 & 2 & 0 & 1 & 1 & -1 & 0 & 2 & 0 & 0 & 0 & 0 & 0 \\ 0 & 2 & 1 & 0 & 1 & 0 & -1 & 0 & 0 & 0 & 0 & 2 & 3 \\ 0 & 0 & 2 & 1 & 0 & 1 & 0 & -1 & 0 & 2 & 2 & 0 & 0 \\ 0 & 0 & 0 & 2 & 0 & 0 & 0 & 1 & 0 & 0 & 2 & 4 & 3 \\ 0 & 0 & 0 & 0 & 2 & 4 & 5 & -2 & -2 & 1 & 2 & -2 & -2 \\ 0 & 0 & 0 & 0 & 2 & -1 & -2 & 6 & 2 & -1 & -2 & 2 & 4 \\ 0 & 0 & 0 & 0 & 0 & 4 & 2 & 1 & 1 & 1 & 2 & -1 & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 2 & 4 & 3 & 0\end{pmatrix}\notag\end{equation}$$