Characteristic polynomial
$$\begin{equation}\left(\lambda^{6} + 10 \lambda^{5} + 51 \lambda^{4} + 289 \lambda^{3} + 1146 \lambda^{2} + 1213 \lambda + 745\right) \left(\lambda^{7} - 3 \lambda^{6} - 11 \lambda^{5} - 159 \lambda^{4} - 197 \lambda^{3} - 803 \lambda^{2} - 816 \lambda - 587\right)\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\left(\lambda^{6} + 10 \lambda^{5} + 51 \lambda^{4} + 289 \lambda^{3} + 1146 \lambda^{2} + 1213 \lambda + 745\right) \left(\lambda^{7} - 3 \lambda^{6} - 11 \lambda^{5} - 159 \lambda^{4} - 197 \lambda^{3} - 803 \lambda^{2} - 816 \lambda - 587\right)\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 2 & 0 & 2 & 0 & 0 & 0 & 3 & 3 & 8 & 8 & 4 & 10 \\ 1 & -1 & 0 & 1 & 0 & 0 & 0 & 0 & 0 & 3 & 3 & 0 & 0 \\ 2 & 0 & 0 & 1 & 2 & 4 & 2 & 2 & -2 & 0 & 0 & 0 & 0 \\ 1 & 1 & 0 & -1 & 0 & 0 & 0 & 0 & 2 & 0 & 0 & 0 & 8 \\ 0 & 2 & 1 & -1 & -1 & 0 & -1 & 1 & 0 & 0 & -2 & 0 & 0 \\ 0 & 1 & 0 & 2 & 0 & -1 & 0 & 0 & 0 & 0 & 2 & 0 & 0 \\ 0 & 1 & 0 & 0 & 0 & 1 & 0 & 0 & 0 & 0 & 0 & 0 & 6 \\ 0 & 0 & 1 & 3 & 1 & 1 & 1 & -1 & 0 & 0 & 0 & 0 & 0 \\ 0 & 0 & 2 & 0 & 0 & 0 & 0 & 1 & 0 & 4 & 2 & 2 & 0 \\ 0 & 0 & 0 & 0 & 1 & 3 & 0 & 5 & 1 & 0 & 1 & 1 & 0 \\ 0 & 0 & 0 & 0 & 2 & 0 & 0 & 2 & 4 & 1 & 0 & 0 & 4 \\ 0 & 0 & 0 & 0 & 1 & 1 & 3 & -6 & -4 & -1 & -2 & -2 & -4 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & \frac{7}{2} & \frac{5}{2} & \frac{3}{2} & 0\end{pmatrix}\notag\end{equation}$$