Characteristic polynomial
$$\begin{equation}\lambda \left(\lambda + 1\right) \left(\lambda^{12} + 7 \lambda^{11} - 58 \lambda^{10} - 911 \lambda^{9} - 8835 \lambda^{8} - 64640 \lambda^{7} - 308443 \lambda^{6} - 1140523 \lambda^{5} - 2862740 \lambda^{4} - 4332970 \lambda^{3} - 3620592 \lambda^{2} - 1421624 \lambda - 155691\right)\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\lambda \left(\lambda + 1\right) \left(\lambda^{12} + 7 \lambda^{11} - 58 \lambda^{10} - 911 \lambda^{9} - 8835 \lambda^{8} - 64640 \lambda^{7} - 308443 \lambda^{6} - 1140523 \lambda^{5} - 2862740 \lambda^{4} - 4332970 \lambda^{3} - 3620592 \lambda^{2} - 1421624 \lambda - 155691\right)\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 2 & 4 & 6 & 6 & 12 & 9 & 12 & 6 & 21 & 64 & 24 & 32 & 120 \\ 1 & 0 & 0 & 2 & 4 & 0 & -2 & 8 & 4 & 2 & -6 & -3 & -6 & 0 \\ 1 & 0 & -1 & 2 & 2 & 4 & 4 & 2 & 0 & 4 & 6 & 0 & 3 & 32 \\ 1 & 0 & 1 & -1 & 0 & 4 & 2 & 4 & 2 & 10 & 18 & 9 & 12 & 48 \\ 0 & 1 & 1 & 0 & -1 & 2 & 0 & 2 & 0 & 4 & -4 & 0 & -2 & 0 \\ 0 & 1 & 0 & 1 & 1 & -1 & -2 & 0 & 0 & 0 & 4 & 2 & 0 & -12 \\ 0 & 1 & 0 & 0 & 0 & 2 & 1 & 0 & 0 & 3 & 8 & 4 & 4 & 12 \\ 0 & 0 & 1 & 1 & 0 & 0 & 0 & -2 & -1 & 0 & 4 & 0 & 2 & 0 \\ 0 & 0 & 1 & 0 & 0 & 0 & 0 & 2 & 0 & 2 & 4 & 2 & 4 & 12 \\ 0 & 0 & 0 & 1 & 0 & 0 & 1 & 1 & 1 & -1 & 0 & 0 & 0 & 12 \\ 0 & 0 & 0 & 0 & 1 & \frac{7}{2} & \frac{1}{2} & \frac{13}{4} & \frac{1}{4} & \frac{15}{2} & 0 & 1 & \frac{1}{2} & 6 \\ 0 & 0 & 0 & 0 & 1 & -3 & -1 & \frac{3}{2} & \frac{5}{2} & -5 & 0 & -2 & -1 & -4 \\ 0 & 0 & 0 & 0 & 1 & 1 & 2 & -\frac{3}{2} & -\frac{1}{2} & -2 & 2 & 0 & 0 & 4 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 2 & \frac{3}{4} & \frac{3}{4} & 0\end{pmatrix}\notag\end{equation}$$