Characteristic polynomial
$$\begin{equation}\lambda^{13} + 8 \lambda^{12} + 12 \lambda^{11} - 256 \lambda^{10} - 3724 \lambda^{9} - 22666 \lambda^{8} - 83071 \lambda^{7} - 281025 \lambda^{6} - 787873 \lambda^{5} - 1416967 \lambda^{4} - 1758307 \lambda^{3} - 2726611 \lambda^{2} - 4245670 \lambda - 2999419\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\lambda^{13} + 8 \lambda^{12} + 12 \lambda^{11} - 256 \lambda^{10} - 3724 \lambda^{9} - 22666 \lambda^{8} - 83071 \lambda^{7} - 281025 \lambda^{6} - 787873 \lambda^{5} - 1416967 \lambda^{4} - 1758307 \lambda^{3} - 2726611 \lambda^{2} - 4245670 \lambda - 2999419\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 0 & 0 & 2 & 0 & 3 & 0 & 3 & 6 & 12 & 4 & 12 & 10 \\ 1 & -1 & 1 & 0 & -2 & 2 & -2 & 0 & 2 & 3 & 0 & 3 & 0 \\ 1 & 0 & -1 & 0 & 0 & 0 & 0 & 2 & 2 & 3 & 0 & 6 & 8 \\ 2 & 1 & 1 & 0 & 2 & 0 & 2 & 0 & 0 & 0 & 0 & 0 & 8 \\ 0 & 1 & 2 & 0 & -2 & 0 & -1 & 0 & 0 & 2 & 0 & 2 & 6 \\ 0 & 2 & 0 & 1 & 1 & -1 & 0 & 1 & 0 & -2 & -2 & 0 & 0 \\ 0 & 1 & -1 & 0 & 1 & 0 & 0 & 0 & 0 & 0 & 0 & 2 & 0 \\ 0 & 0 & 2 & 1 & 1 & 0 & 1 & -1 & 0 & 0 & 0 & 0 & 0 \\ 0 & 0 & 0 & 2 & 0 & 1 & 0 & 1 & 0 & 2 & 2 & 0 & 0 \\ 0 & 0 & 0 & 0 & 2 & 0 & -2 & 9 & 3 & 0 & 1 & 0 & 0 \\ 0 & 0 & 0 & 0 & 2 & 2 & 5 & -8 & -3 & -1 & -2 & 0 & 4 \\ 0 & 0 & 0 & 0 & 0 & 3 & 2 & -3 & 2 & 1 & 0 & 0 & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 3 & 1 & \frac{5}{2} & 0\end{pmatrix}\notag\end{equation}$$