Characteristic polynomial
$$\begin{equation}\left(\lambda + 1\right) \left(\lambda + 2\right)^{2} \left(\lambda^{11} + 10 \lambda^{10} - 23 \lambda^{9} - 1321 \lambda^{8} - 13890 \lambda^{7} - 88218 \lambda^{6} - 412252 \lambda^{5} - 1402533 \lambda^{4} - 2941894 \lambda^{3} - 2488302 \lambda^{2} + 1786400 \lambda + 3535531\right)\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\left(\lambda + 1\right) \left(\lambda + 2\right) \left(\lambda^{11} + 10 \lambda^{10} - 23 \lambda^{9} - 1321 \lambda^{8} - 13890 \lambda^{7} - 88218 \lambda^{6} - 412252 \lambda^{5} - 1402533 \lambda^{4} - 2941894 \lambda^{3} - 2488302 \lambda^{2} + 1786400 \lambda + 3535531\right)\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 2 & 6 & 4 & 15 & 15 & 9 & 21 & 18 & 6 & 56 & 32 & 24 & 50 \\ 1 & -1 & 1 & 1 & 4 & 2 & -2 & 8 & 6 & 2 & 6 & 3 & 0 & 0 \\ 1 & 1 & -1 & 2 & 0 & 2 & 2 & 0 & 0 & 0 & 12 & 9 & 6 & 16 \\ 1 & 0 & 1 & -1 & 4 & 2 & 2 & 6 & 6 & 2 & 21 & 12 & 9 & 16 \\ 0 & 1 & 1 & 0 & -2 & 2 & 0 & 1 & 0 & 1 & -2 & 0 & -2 & 0 \\ 0 & 1 & 0 & 1 & 1 & -2 & -1 & 1 & 1 & 0 & 4 & 2 & 0 & 0 \\ 0 & 1 & 0 & 0 & 1 & 1 & 0 & 0 & 1 & 0 & 8 & 6 & 4 & 6 \\ 0 & 0 & 1 & 1 & 0 & 1 & 1 & -2 & 0 & 1 & 0 & 0 & 0 & 6 \\ 0 & 0 & 1 & 0 & 1 & 0 & 0 & 2 & -1 & 0 & 2 & 0 & 2 & 0 \\ 0 & 0 & 0 & 2 & 0 & 0 & 0 & 2 & 1 & -2 & 8 & 6 & 4 & 6 \\ 0 & 0 & 0 & 0 & 1 & \frac{7}{2} & \frac{1}{2} & \frac{19}{4} & \frac{5}{4} & 3 & \frac{3}{4} & \frac{3}{2} & \frac{3}{4} & 5 \\ 0 & 0 & 0 & 0 & 1 & -3 & -1 & -\frac{1}{2} & \frac{5}{2} & -2 & -\frac{1}{2} & -3 & -\frac{1}{2} & -6 \\ 0 & 0 & 0 & 0 & 1 & \frac{3}{2} & \frac{5}{2} & -\frac{15}{4} & -\frac{5}{4} & -2 & \frac{5}{4} & \frac{3}{2} & -\frac{3}{4} & 3 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & \frac{9}{2} & \frac{5}{2} & \frac{3}{2} & 0\end{pmatrix}\notag\end{equation}$$