Characteristic polynomial
$$\begin{equation}\lambda \left(\lambda^{6} + 4 \lambda^{5} + 42 \lambda^{4} + 10 \lambda^{3} + 153 \lambda^{2} - 1130 \lambda - 3123\right) \left(\lambda^{6} + 4 \lambda^{5} - 46 \lambda^{4} - 302 \lambda^{3} - 431 \lambda^{2} - 250 \lambda - 43\right)\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\lambda \left(\lambda^{6} + 4 \lambda^{5} + 42 \lambda^{4} + 10 \lambda^{3} + 153 \lambda^{2} - 1130 \lambda - 3123\right) \left(\lambda^{6} + 4 \lambda^{5} - 46 \lambda^{4} - 302 \lambda^{3} - 431 \lambda^{2} - 250 \lambda - 43\right)\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 0 & 0 & 2 & 0 & 0 & 6 & 3 & 6 & 8 & 4 & 8 & 0 \\ 1 & -1 & 0 & 0 & 0 & 2 & 0 & 0 & 0 & 6 & 3 & 6 & 0 \\ 1 & 1 & -1 & 0 & -2 & 0 & 2 & -2 & 4 & 0 & 0 & 0 & 0 \\ 2 & 0 & 1 & 0 & 2 & 0 & 0 & 2 & 0 & 0 & 0 & 6 & 8 \\ 0 & 1 & 1 & 0 & -2 & 0 & 0 & -1 & 0 & 2 & 0 & 0 & 0 \\ 0 & 2 & 0 & 1 & 1 & -1 & 0 & 1 & 0 & 0 & 0 & 0 & 6 \\ 0 & 0 & 2 & 1 & 0 & 1 & -1 & -1 & 0 & -2 & -2 & 0 & 0 \\ 0 & 0 & 1 & 0 & 1 & 0 & 0 & 0 & 0 & 0 & 0 & 4 & 0 \\ 0 & 0 & 0 & 2 & 0 & 0 & 1 & 1 & 0 & 2 & 2 & 0 & 0 \\ 0 & 0 & 0 & 0 & 2 & 5 & 1 & 0 & 2 & 0 & 1 & 0 & 0 \\ 0 & 0 & 0 & 0 & 1 & -4 & 1 & 4 & -2 & -1 & -2 & 0 & 4 \\ 0 & 0 & 0 & 0 & 0 & 0 & \frac{5}{2} & 1 & 3 & \frac{1}{2} & 0 & 0 & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & \frac{5}{2} & 1 & 4 & 0\end{pmatrix}\notag\end{equation}$$