Braid #150

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

Determinant: $$\frac{-2t^{6} + 7t^{5} - 11t^{4} + 13t^{3} - 11t^{2} + 7t - 2}{t^{3}}$$ Signatures:
$-4$
$-2$
$0$

Gael Collinet and Pierre Guillot, 2010.