Characteristic polynomial
$$\begin{equation}\left(\lambda + 1\right) \left(\lambda + 2\right)^{2} \left(\lambda^{10} + 8 \lambda^{9} - 139 \lambda^{8} - 2398 \lambda^{7} - 13687 \lambda^{6} - 7793 \lambda^{5} + 276281 \lambda^{4} + 1141567 \lambda^{3} + 1784842 \lambda^{2} + 1263449 \lambda + 341122\right)\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\left(\lambda + 1\right) \left(\lambda + 2\right)^{2} \left(\lambda^{10} + 8 \lambda^{9} - 139 \lambda^{8} - 2398 \lambda^{7} - 13687 \lambda^{6} - 7793 \lambda^{5} + 276281 \lambda^{4} + 1141567 \lambda^{3} + 1784842 \lambda^{2} + 1263449 \lambda + 341122\right)\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 2 & 8 & 10 & 12 & 12 & 42 & 24 & 48 & 80 & 40 & 144 & 160 \\ 1 & -1 & 0 & 1 & 8 & 8 & 8 & 6 & 8 & 30 & 15 & 42 & 64 \\ 1 & 0 & -1 & 3 & 2 & 6 & 4 & 4 & 6 & 3 & 6 & 27 & 64 \\ 1 & 1 & 1 & -1 & 0 & 0 & 14 & 8 & 16 & 21 & 12 & 33 & 32 \\ 0 & 1 & 1 & 0 & -2 & 3 & 1 & 0 & 3 & 2 & 4 & 2 & 24 \\ 0 & 1 & 0 & 1 & 1 & -2 & 0 & 0 & 0 & 14 & 8 & 14 & 12 \\ 0 & 0 & 1 & 1 & 1 & 0 & -2 & -2 & 0 & 0 & 0 & 0 & 0 \\ 0 & 0 & 1 & 0 & 0 & 0 & 3 & 0 & 4 & 6 & 2 & 6 & 0 \\ 0 & 0 & 0 & 1 & 0 & 1 & 1 & 2 & -1 & 0 & 0 & 8 & 12 \\ 0 & 0 & 0 & 0 & 1 & \frac{13}{5} & \frac{1}{4} & -\frac{6}{5} & \frac{11}{5} & -\frac{7}{5} & \frac{9}{20} & -\frac{6}{5} & \frac{46}{5} \\ 0 & 0 & 0 & 0 & 1 & -\frac{4}{5} & 1 & \frac{13}{5} & -\frac{8}{5} & \frac{11}{5} & -\frac{8}{5} & \frac{23}{5} & -\frac{8}{5} \\ 0 & 0 & 0 & 0 & 0 & 0 & \frac{7}{4} & 1 & 2 & 1 & \frac{3}{4} & 0 & 2 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & \frac{7}{4} & 1 & \frac{11}{4} & 0\end{pmatrix}\notag\end{equation}$$