Characteristic polynomial
$$\begin{equation}\left(\lambda + 2\right) \left(\lambda^{12} + 7 \lambda^{11} - 22 \lambda^{10} - 724 \lambda^{9} - 8448 \lambda^{8} - 55327 \lambda^{7} - 193156 \lambda^{6} - 356259 \lambda^{5} - 179749 \lambda^{4} + 992713 \lambda^{3} + 3194038 \lambda^{2} + 4157372 \lambda + 2062861\right)\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\left(\lambda + 2\right) \left(\lambda^{12} + 7 \lambda^{11} - 22 \lambda^{10} - 724 \lambda^{9} - 8448 \lambda^{8} - 55327 \lambda^{7} - 193156 \lambda^{6} - 356259 \lambda^{5} - 179749 \lambda^{4} + 992713 \lambda^{3} + 3194038 \lambda^{2} + 4157372 \lambda + 2062861\right)\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 2 & 2 & 4 & 9 & 9 & 3 & 15 & 12 & 56 & 32 & 16 & 100 \\ 1 & -1 & 0 & 1 & 2 & 2 & 0 & 4 & 4 & 12 & 9 & 3 & 40 \\ 1 & 1 & 0 & 2 & 2 & 6 & 2 & -2 & -2 & -15 & -6 & -3 & 0 \\ 1 & 1 & 0 & -1 & 0 & 0 & 0 & 4 & 2 & 21 & 12 & 6 & 40 \\ 0 & 1 & 1 & 0 & -1 & 2 & 0 & 1 & 0 & -4 & -2 & 0 & -15 \\ 0 & 1 & 0 & 1 & 0 & -2 & 0 & 0 & 0 & 4 & 2 & 0 & 15 \\ 0 & 1 & 0 & 0 & 0 & 1 & -1 & 0 & 0 & 4 & 4 & 2 & 15 \\ 0 & 0 & 1 & 3 & 1 & 3 & 1 & -1 & 0 & 0 & 0 & 0 & 15 \\ 0 & 0 & 1 & -1 & 1 & -1 & 0 & 2 & 0 & 6 & 2 & 2 & -15 \\ 0 & 0 & 0 & 0 & 1 & \frac{10}{3} & \frac{1}{3} & 4 & 1 & 1 & 1 & 1 & \frac{10}{3} \\ 0 & 0 & 0 & 0 & 1 & -\frac{5}{3} & -\frac{2}{3} & 2 & 3 & 4 & 1 & 1 & \frac{10}{3} \\ 0 & 0 & 0 & 0 & 1 & \frac{5}{3} & \frac{8}{3} & -8 & -4 & -7 & -4 & -4 & -\frac{10}{3} \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 2 & 1 & \frac{3}{5} & 0\end{pmatrix}\notag\end{equation}$$