Braid #36

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

Determinant: $$\frac{-t^{6} + 5t^{5} - 7t^{4} + 7t^{3} - 7t^{2} + 5t - 1}{t^{3}}$$ Signatures:
$-4$
$-2$
$0$

Gael Collinet and Pierre Guillot, 2010.