Characteristic polynomial
$$\begin{equation}\left(\lambda + 1\right) \left(\lambda^{12} + 2 \lambda^{11} - 15 \lambda^{10} - 88 \lambda^{9} - 1378 \lambda^{8} - 5661 \lambda^{7} - 18160 \lambda^{6} - 163673 \lambda^{5} - 165443 \lambda^{4} - 631433 \lambda^{3} - 905310 \lambda^{2} - 632240 \lambda - 145427\right)\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\left(\lambda + 1\right) \left(\lambda^{12} + 2 \lambda^{11} - 15 \lambda^{10} - 88 \lambda^{9} - 1378 \lambda^{8} - 5661 \lambda^{7} - 18160 \lambda^{6} - 163673 \lambda^{5} - 165443 \lambda^{4} - 631433 \lambda^{3} - 905310 \lambda^{2} - 632240 \lambda - 145427\right)\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 0 & 0 & 2 & 3 & 0 & 0 & 0 & 3 & 8 & 8 & 8 & 10 \\ 1 & -1 & 0 & 0 & 2 & 0 & 0 & 0 & 2 & 0 & 0 & 3 & 8 \\ 1 & 1 & 0 & 0 & 0 & -2 & 2 & -2 & 2 & 6 & 3 & 0 & -8 \\ 2 & 1 & 0 & 0 & 0 & 2 & 0 & 2 & 0 & 0 & 0 & 0 & 8 \\ 0 & 2 & 0 & 1 & -1 & 0 & 0 & 1 & 0 & 0 & 0 & 0 & 0 \\ 0 & 2 & 1 & 0 & 0 & -1 & 0 & -1 & 0 & 4 & 2 & 2 & 0 \\ 0 & 0 & 2 & 1 & 1 & 1 & 0 & -1 & 0 & 0 & -2 & 0 & 0 \\ 0 & 0 & 1 & 0 & 0 & 1 & 0 & 1 & 0 & 0 & 0 & 2 & 6 \\ 0 & 0 & 0 & 2 & 1 & 0 & 0 & 0 & 0 & 0 & 2 & 0 & 0 \\ 0 & 0 & 0 & 0 & 2 & -1 & -1 & -\frac{5}{2} & 1 & -1 & -1 & 0 & -2 \\ 0 & 0 & 0 & 0 & 2 & 4 & 2 & 3 & 0 & 0 & 0 & 0 & 4 \\ 0 & 0 & 0 & 0 & 0 & 0 & 3 & 2 & 3 & 2 & 2 & 0 & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 4 & 3 & \frac{5}{2} & 0\end{pmatrix}\notag\end{equation}$$