Characteristic polynomial
$$\begin{equation}\left(\lambda + 1\right) \left(\lambda^{12} + 7 \lambda^{11} - 4 \lambda^{10} - 458 \lambda^{9} - 3617 \lambda^{8} - 10040 \lambda^{7} - 8042 \lambda^{6} - 24490 \lambda^{5} - 24344 \lambda^{4} + 401953 \lambda^{3} + 1054753 \lambda^{2} + 851777 \lambda + 733727\right)\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\left(\lambda + 1\right) \left(\lambda^{12} + 7 \lambda^{11} - 4 \lambda^{10} - 458 \lambda^{9} - 3617 \lambda^{8} - 10040 \lambda^{7} - 8042 \lambda^{6} - 24490 \lambda^{5} - 24344 \lambda^{4} + 401953 \lambda^{3} + 1054753 \lambda^{2} + 851777 \lambda + 733727\right)\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 0 & 0 & 2 & 0 & 3 & 3 & 3 & 6 & 4 & 4 & 4 & 0 \\ 1 & -1 & 0 & 0 & 0 & 2 & 0 & 0 & 2 & 3 & 3 & 3 & 0 \\ 1 & 0 & -1 & 0 & 0 & 0 & 2 & 0 & 2 & 3 & 0 & 0 & 0 \\ 2 & 1 & 1 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 3 & 4 \\ 0 & 1 & 1 & 0 & -2 & 0 & 0 & 0 & 0 & 2 & 0 & 0 & 0 \\ 0 & 2 & 0 & 1 & 1 & -1 & 0 & 0 & 0 & 0 & 0 & 0 & 3 \\ 0 & 0 & 2 & 3 & 1 & 1 & 0 & 0 & 0 & 0 & 0 & 0 & 0 \\ 0 & 0 & 3 & 1 & 1 & 0 & 0 & -1 & 0 & 0 & 0 & 2 & 3 \\ 0 & 0 & 0 & 2 & 0 & 1 & 0 & 1 & 0 & 0 & 0 & 0 & 0 \\ 0 & 0 & 0 & 0 & 2 & 5 & 3 & 0 & 4 & 0 & 1 & 1 & 0 \\ 0 & 0 & 0 & 0 & 3 & 1 & -2 & 1 & -3 & -1 & -2 & -1 & 2 \\ 0 & 0 & 0 & 0 & 0 & 0 & 3 & 2 & 3 & 1 & 1 & 0 & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 3 & 2 & 3 & 0\end{pmatrix}\notag\end{equation}$$