Characteristic polynomial
$$\begin{equation}\lambda^{13} + 3 \lambda^{12} + 19 \lambda^{11} - 48 \lambda^{10} - 732 \lambda^{9} - 6906 \lambda^{8} - 21048 \lambda^{7} - 128664 \lambda^{6} - 234235 \lambda^{5} - 1002353 \lambda^{4} - 199621 \lambda^{3} + 171872 \lambda^{2} - 108624 \lambda - 68323\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\lambda^{13} + 3 \lambda^{12} + 19 \lambda^{11} - 48 \lambda^{10} - 732 \lambda^{9} - 6906 \lambda^{8} - 21048 \lambda^{7} - 128664 \lambda^{6} - 234235 \lambda^{5} - 1002353 \lambda^{4} - 199621 \lambda^{3} + 171872 \lambda^{2} - 108624 \lambda - 68323\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 0 & 0 & 0 & 0 & 0 & 0 & 3 & 3 & 4 & 4 & 4 & 5 \\ 1 & 0 & 0 & 1 & 0 & -2 & -2 & 0 & 0 & 3 & 3 & 0 & -4 \\ 2 & 0 & 0 & 1 & 0 & 2 & 2 & 0 & -2 & 0 & 0 & 0 & 0 \\ 1 & 0 & 0 & -1 & 0 & 0 & 0 & 0 & 2 & 0 & 0 & 0 & 4 \\ 0 & 2 & 1 & -1 & 0 & 1 & -1 & 1 & 0 & -2 & -2 & -2 & 0 \\ 0 & 1 & 0 & 2 & 0 & -1 & -1 & 0 & 0 & 0 & 2 & 0 & 0 \\ 0 & 1 & 0 & 0 & 0 & 1 & 1 & 0 & 0 & 0 & 0 & 0 & 3 \\ 0 & 0 & 1 & 3 & 0 & 0 & 1 & -1 & 0 & 0 & 0 & 0 & 0 \\ 0 & 0 & 2 & 0 & 0 & 0 & 0 & 1 & 0 & 2 & 0 & 2 & 0 \\ 0 & 0 & 0 & 0 & 1 & 3 & 0 & 5 & 1 & -1 & 0 & 0 & 0 \\ 0 & 0 & 0 & 0 & 2 & 0 & 0 & 2 & 4 & 1 & 0 & 0 & 0 \\ 0 & 0 & 0 & 0 & 1 & 1 & 3 & -3 & -1 & 1 & 0 & 0 & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 7 & 5 & 3 & 0\end{pmatrix}\notag\end{equation}$$