Characteristic polynomial
$$\begin{equation}\lambda^{14} + 13 \lambda^{13} + 30 \lambda^{12} - 805 \lambda^{11} - 9319 \lambda^{10} - 49524 \lambda^{9} - 165260 \lambda^{8} - 494710 \lambda^{7} - 1631740 \lambda^{6} - 4345543 \lambda^{5} - 7425992 \lambda^{4} - 8028665 \lambda^{3} - 5963985 \lambda^{2} - 3062595 \lambda - 914411\notag\end{equation}$$
Minimal polynomial
$$\begin{equation}\lambda^{14} + 13 \lambda^{13} + 30 \lambda^{12} - 805 \lambda^{11} - 9319 \lambda^{10} - 49524 \lambda^{9} - 165260 \lambda^{8} - 494710 \lambda^{7} - 1631740 \lambda^{6} - 4345543 \lambda^{5} - 7425992 \lambda^{4} - 8028665 \lambda^{3} - 5963985 \lambda^{2} - 3062595 \lambda - 914411\notag\end{equation}$$
Quantum multiplication matrix
$$\begin{equation}\begin{pmatrix}0 & 0 & 4 & 4 & 9 & 9 & 3 & 15 & 6 & 6 & 4 & 16 & 4 & 10 \\ 1 & -1 & 0 & 0 & 4 & 4 & 0 & 6 & 2 & 2 & 0 & 6 & 3 & 0 \\ 1 & 1 & -1 & 2 & -2 & 0 & 0 & 0 & 0 & 0 & 3 & 3 & 3 & 8 \\ 1 & 0 & 1 & -1 & 2 & 0 & 0 & 4 & 2 & 2 & 3 & 12 & 3 & 0 \\ 0 & 1 & 2 & 0 & -1 & 2 & 0 & 2 & 0 & 1 & 0 & 0 & 0 & 0 \\ 0 & 1 & 0 & 1 & 1 & -2 & 0 & 0 & 0 & 0 & 0 & 4 & 2 & 0 \\ 0 & 1 & -1 & 0 & -1 & 0 & -1 & -2 & 0 & -1 & 4 & 6 & 2 & 6 \\ 0 & 0 & 1 & 2 & 0 & 1 & 0 & -1 & 0 & 0 & 0 & 0 & 0 & 6 \\ 0 & 0 & 1 & -1 & 1 & 0 & 1 & 1 & -1 & 1 & -2 & -2 & -2 & -6 \\ 0 & 0 & 0 & 1 & 0 & 0 & 0 & 1 & 1 & -1 & 2 & 2 & 2 & 0 \\ 0 & 0 & 0 & 0 & 2 & \frac{1}{3} & \frac{5}{3} & -\frac{16}{3} & -\frac{4}{3} & -3 & -\frac{4}{3} & -\frac{1}{3} & -\frac{1}{3} & \frac{8}{3} \\ 0 & 0 & 0 & 0 & 1 & \frac{10}{3} & \frac{2}{3} & \frac{11}{3} & \frac{2}{3} & 2 & \frac{2}{3} & -\frac{1}{3} & \frac{2}{3} & \frac{8}{3} \\ 0 & 0 & 0 & 0 & 1 & -\frac{8}{3} & -\frac{4}{3} & \frac{11}{3} & \frac{8}{3} & 1 & -\frac{1}{3} & \frac{8}{3} & -\frac{4}{3} & -\frac{16}{3} \\ 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & 0 & \frac{3}{2} & \frac{11}{2} & 2 & 0\end{pmatrix}\notag\end{equation}$$