Characteristic polynomial
$$\begin{equation}\lambda^{12} + 7 \lambda^{11} + 24 \lambda^{10} - 66 \lambda^{9} - 3036 \lambda^{8} - 21091 \lambda^{7} - 94161 \lambda^{6} - 315046 \lambda^{5} - 180900 \lambda^{4} + 1091365 \lambda^{3} - 318072 \lambda^{2} - 3436749 \lambda + 1849257\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\lambda^{12} + 7 \lambda^{11} + 24 \lambda^{10} - 66 \lambda^{9} - 3036 \lambda^{8} - 21091 \lambda^{7} - 94161 \lambda^{6} - 315046 \lambda^{5} - 180900 \lambda^{4} + 1091365 \lambda^{3} - 318072 \lambda^{2} - 3436749 \lambda + 1849257\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 2 & 0 & 0 & 0 & 3 & 0 & 0 & 4 & 12 & 0 & 5 \\ 2 & 0 & 1 & 0 & 0 & 0 & 6 & 6 & 0 & 0 & 0 & 0 \\ 1 & 0 & -1 & 2 & 0 & 2 & -6 & -6 & 0 & 0 & 0 & 4 \\ 1 & 0 & 0 & -1 & 2 & 0 & 0 & 0 & 0 & 3 & 0 & 4 \\ 0 & 1 & 0 & 2 & -1 & 0 & 1 & 2 & 0 & 0 & 2 & 0 \\ 0 & 3 & 2 & 0 & 2 & 0 & 0 & 0 & 0 & 0 & 2 & 0 \\ 0 & 0 & 1 & \frac{5}{3} & 0 & 0 & -2 & -2 & \frac{4}{3} & 2 & -2 & 2 \\ 0 & 0 & 1 & -\frac{1}{3} & 0 & 0 & 2 & 0 & -\frac{2}{3} & 0 & -2 & -1 \\ 0 & 0 & 0 & 0 & 1 & -9 & 0 & -6 & -4 & -6 & 1 & 0 \\ 0 & 0 & 0 & 0 & 3 & 7 & 2 & 4 & 2 & 3 & 0 & 0 \\ 0 & 0 & 0 & 0 & 0 & 0 & 3 & 3 & 0 & 0 & -1 & 2 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 3 & 7 & 2 & 0\end{pmatrix}\notag\end{equation}$$