Characteristic polynomial
$$\begin{equation}\left(\lambda + 2\right)^{2} \left(\lambda + 3\right)^{2} \left(\lambda - 1\right) \left(\lambda - 2\right) \left(\lambda^{10} + 14 \lambda^{9} + 5 \lambda^{8} - 1364 \lambda^{7} - 12208 \lambda^{6} - 31256 \lambda^{5} + 136872 \lambda^{4} + 1043424 \lambda^{3} + 1299104 \lambda^{2} - 5130240 \lambda - 10471408\right)\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\left(\lambda + 2\right) \left(\lambda + 3\right) \left(\lambda - 1\right) \left(\lambda - 2\right) \left(\lambda^{10} + 14 \lambda^{9} + 5 \lambda^{8} - 1364 \lambda^{7} - 12208 \lambda^{6} - 31256 \lambda^{5} + 136872 \lambda^{4} + 1043424 \lambda^{3} + 1299104 \lambda^{2} - 5130240 \lambda - 10471408\right)\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 0 & 2 & 6 & 4 & 0 & 6 & 6 & 6 & 12 & 6 & 8 & 8 & 0 & 8 & 0 \\ 1 & -1 & 0 & 0 & 0 & 2 & 6 & 4 & 0 & 4 & 4 & 6 & 6 & 0 & 6 & 0 \\ 1 & 0 & -1 & 1 & 0 & 0 & 0 & 0 & 4 & 4 & 0 & 6 & 6 & 0 & 6 & 0 \\ 1 & 0 & 1 & -1 & 2 & 0 & 0 & 4 & 0 & 0 & 0 & 0 & 0 & -12 & 0 & 0 \\ 1 & 1 & 0 & 1 & -2 & 0 & 0 & -4 & 2 & 6 & 4 & 0 & 6 & 18 & 6 & 8 \\ 0 & 1 & 1 & 0 & 0 & -2 & 1 & 0 & 0 & 0 & 0 & 4 & 4 & 0 & 4 & 0 \\ 0 & 1 & 0 & 1 & 0 & 1 & -2 & 2 & 0 & 0 & 2 & 0 & 0 & -4 & 0 & 0 \\ 0 & 1 & 0 & 0 & 1 & 0 & 1 & -3 & 0 & 0 & -2 & 2 & 6 & 8 & 0 & 6 \\ 0 & 0 & 2 & 1 & 1 & 1 & 0 & 0 & -1 & 1 & 0 & 0 & 0 & 0 & 4 & 6 \\ 0 & 0 & 0 & 2 & 1 & 0 & 1 & 0 & 1 & -1 & 2 & 0 & 0 & 4 & 0 & 0 \\ 0 & 0 & 0 & 0 & 1 & 0 & 0 & 1 & 0 & 1 & -2 & 0 & 0 & -4 & 2 & 0 \\ 0 & 0 & 0 & 0 & 0 & 2 & 1 & 1 & 1 & -2 & -1 & -2 & 0 & 0 & -1 & 4 \\ 0 & 0 & 0 & 0 & 0 & 0 & 2 & 1 & 0 & 3 & 1 & 1 & -1 & 2 & 1 & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 1 & 0 & 0 & 2 & 0 & 1 & -2 & 0 & 2 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 2 & 3 & 2 & 1 & 1 & 0 & 0 & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 2 & 3 & 2 & 3 & 0\end{pmatrix}\notag\end{equation}$$