Characteristic polynomial
$$\begin{equation}\left(\lambda + 2\right)^{2} \left(\lambda + 3\right)^{2} \left(\lambda^{2} + 6 \lambda + 13\right) \left(\lambda^{7} - 6 \lambda^{6} - 130 \lambda^{5} - 1080 \lambda^{4} + 1525 \lambda^{3} + 69238 \lambda^{2} + 306876 \lambda + 391064\right)\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\left(\lambda + 2\right)^{2} \left(\lambda + 3\right) \left(\lambda^{2} + 6 \lambda + 13\right) \left(\lambda^{7} - 6 \lambda^{6} - 130 \lambda^{5} - 1080 \lambda^{4} + 1525 \lambda^{3} + 69238 \lambda^{2} + 306876 \lambda + 391064\right)\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 0 & 8 & 12 & 12 & 12 & 72 & 36 & 84 & 80 & 32 & 256 & 240 \\ 1 & -1 & 0 & 0 & 8 & 12 & 8 & 8 & 8 & 60 & 24 & 72 & 160 \\ 1 & 1 & -1 & 4 & -2 & 0 & 4 & -2 & 8 & 0 & 0 & 24 & 32 \\ 1 & 0 & 1 & 0 & 2 & 0 & 16 & 10 & 16 & 24 & 12 & 72 & 64 \\ 0 & 1 & 1 & 0 & -2 & 4 & 0 & -1 & 0 & 4 & 0 & 0 & 24 \\ 0 & 1 & 0 & 1 & 1 & -1 & 0 & 1 & 0 & 16 & 8 & 16 & 48 \\ 0 & 0 & 1 & 1 & 0 & 1 & -1 & -1 & 4 & -2 & -2 & 0 & 0 \\ 0 & 0 & 1 & 0 & 1 & 0 & 4 & 0 & 4 & 0 & 0 & 8 & 0 \\ 0 & 0 & 0 & 1 & 0 & 0 & 1 & 1 & -2 & 2 & 2 & 8 & 12 \\ 0 & 0 & 0 & 0 & 1 & 3 & 1 & 0 & 2 & 0 & 1 & 0 & 16 \\ 0 & 0 & 0 & 0 & 1 & -2 & 1 & 3 & -2 & 3 & -2 & 8 & -8 \\ 0 & 0 & 0 & 0 & 0 & 0 & \frac{3}{2} & \frac{1}{2} & 2 & \frac{1}{2} & 0 & 0 & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & \frac{3}{2} & \frac{1}{2} & 3 & 0\end{pmatrix}\notag\end{equation}$$