Characteristic polynomial
$$\begin{equation}\left(\lambda + 1\right)^{3} \left(\lambda + 5\right)^{5} \left(\lambda^{2} - \lambda - 31\right)^{2} \left(\lambda^{2} + 11 \lambda + 37\right) \left(\lambda^{3} - 20 \lambda^{2} - 24 \lambda + 389\right)\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\left(\lambda + 1\right) \left(\lambda + 5\right)^{2} \left(\lambda^{2} - \lambda - 31\right) \left(\lambda^{2} + 11 \lambda + 37\right) \left(\lambda^{3} - 20 \lambda^{2} - 24 \lambda + 389\right)\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 6 & 6 & 8 & 20 & 12 & 12 & 36 & 12 & 36 & 54 & 63 & 32 & 80 & 104 & 104 & 260 \\ 1 & -1 & 1 & 0 & 2 & 4 & 8 & 16 & 0 & 4 & 8 & 12 & 12 & 24 & 42 & 12 & 72 \\ 1 & 1 & -1 & 0 & 2 & 4 & 0 & 4 & 8 & 16 & 8 & 12 & 12 & 24 & 12 & 42 & 72 \\ 1 & 0 & 0 & -1 & 3 & 0 & 6 & 6 & 6 & 6 & 16 & 16 & 12 & 18 & 30 & 30 & 64 \\ 1 & 1 & 1 & 2 & 0 & 2 & 0 & 6 & 0 & 6 & 8 & 12 & 0 & 12 & 12 & 12 & 32 \\ 0 & 1 & 1 & 0 & 0 & -2 & 0 & 2 & 0 & 2 & 0 & 0 & 8 & 12 & 8 & 8 & 30 \\ 0 & 1 & 0 & 1 & 0 & 0 & -2 & 3 & 1 & 0 & 2 & 3 & 4 & 6 & 12 & 4 & 18 \\ 0 & 1 & 0 & 0 & 1 & 1 & 2 & -1 & 0 & 1 & 0 & 2 & 0 & 4 & 8 & 0 & 12 \\ 0 & 0 & 1 & 1 & 0 & 0 & 1 & 0 & -2 & 3 & 2 & 3 & 4 & 6 & 4 & 12 & 18 \\ 0 & 0 & 1 & 0 & 1 & 1 & 0 & 1 & 2 & -1 & 0 & 2 & 0 & 4 & 0 & 8 & 12 \\ 0 & 0 & 0 & 1 & 1 & 0 & 1 & 0 & 1 & 0 & -1 & 1 & 2 & 0 & 6 & 6 & 12 \\ 0 & 0 & 0 & 0 & 1 & 0 & 0 & 1 & 0 & 1 & 2 & -2 & 0 & 2 & 0 & 0 & 0 \\ 0 & 0 & 0 & 0 & 0 & 1 & 1 & -\frac{1}{2} & 1 & -\frac{1}{2} & -2 & -4 & -3 & 2 & -1 & -1 & 4 \\ 0 & 0 & 0 & 0 & 0 & 1 & 0 & 2 & 0 & 2 & 0 & 2 & 2 & 0 & 2 & 2 & 8 \\ 0 & 0 & 0 & 0 & 0 & 0 & 1 & \frac{3}{2} & 0 & 0 & 2 & 2 & 1 & \frac{1}{2} & 0 & 2 & 6 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 1 & \frac{3}{2} & 2 & 2 & 1 & \frac{1}{2} & 2 & 0 & 6 \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 1 & \frac{3}{2} & 2 & 2 & 0\end{pmatrix}\notag\end{equation}$$