Braid #130

Braid group element: $\sigma_{1}^{3} \sigma_{2}^{-1} \sigma_{1}^{3} \sigma_{2}^{-1} \sigma_{3}^{-1} \sigma_{2}^{1} \sigma_{3}^{-1}\in B_{4}$
Plot:

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

$-4$ $-2$ $0$

Gael Collinet and Pierre Guillot, 2010.