Braid #87

Braid group element: $\sigma_{1}^{5} \sigma_{2}^{-1} \sigma_{1}^{2} \sigma_{2}^{-2}\in B_{3}$
Plot:

Determinant: $$\frac{t^{8} - 3t^{7} + 6t^{6} - 7t^{5} + 7t^{4} - 7t^{3} + 6t^{2} - 3t + 1}{t^{4}}$$ Signatures:

$-4$ $-2$ $0$

Gael Collinet and Pierre Guillot, 2010.