Characteristic polynomial
$$\begin{equation}\lambda \left(\lambda + 1\right) \left(\lambda^{11} + 14 \lambda^{10} + 4 \lambda^{9} - 1660 \lambda^{8} - 18136 \lambda^{7} - 109221 \lambda^{6} - 424516 \lambda^{5} - 1076308 \lambda^{4} - 1176848 \lambda^{3} - 415532 \lambda^{2} + 45240 \lambda + 24425\right)\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\lambda \left(\lambda + 1\right) \left(\lambda^{11} + 14 \lambda^{10} + 4 \lambda^{9} - 1660 \lambda^{8} - 18136 \lambda^{7} - 109221 \lambda^{6} - 424516 \lambda^{5} - 1076308 \lambda^{4} - 1176848 \lambda^{3} - 415532 \lambda^{2} + 45240 \lambda + 24425\right)\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 2 & 4 & 6 & 18 & 18 & 12 & 18 & 12 & 32 & 16 & 16 & 75 \\ 1 & -1 & 0 & 1 & 4 & 4 & 0 & 10 & 6 & 3 & 3 & 6 & 12 \\ 1 & 0 & -2 & 1 & 2 & 6 & 4 & 6 & 8 & 18 & 18 & 12 & 24 \\ 1 & 1 & 2 & -1 & 0 & 0 & 0 & 0 & -4 & 24 & 12 & 12 & 0 \\ 0 & 1 & 1 & -1 & -3 & 0 & -2 & -1 & -3 & 4 & 8 & 0 & -9 \\ 0 & 1 & 0 & 2 & 2 & -1 & 0 & 2 & 3 & 0 & -4 & 0 & 9 \\ 0 & 1 & 0 & 0 & 0 & 1 & 0 & 0 & 0 & 10 & 6 & 4 & 0 \\ 0 & 0 & 1 & 2 & 1 & 1 & 2 & -1 & 2 & 0 & 0 & 0 & 18 \\ 0 & 0 & 1 & 0 & 0 & 0 & 0 & 1 & -2 & 6 & 2 & 4 & 0 \\ 0 & 0 & 0 & 0 & 1 & 2 & 0 & 3 & \frac{1}{2} & -\frac{1}{2} & \frac{5}{2} & 1 & 0 \\ 0 & 0 & 0 & 0 & 1 & 0 & 0 & 1 & \frac{5}{2} & 1 & -2 & 0 & 3 \\ 0 & 0 & 0 & 0 & 1 & 1 & 2 & -\frac{3}{2} & -1 & \frac{1}{4} & -\frac{3}{4} & -\frac{3}{2} & \frac{9}{2} \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & \frac{8}{3} & 2 & \frac{4}{3} & 0\end{pmatrix}\notag\end{equation}$$