Braid #66

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

Determinant: $$\frac{4t^{4} - 10t^{3} + 13t^{2} - 10t + 4}{t^{2}}$$ Signatures:
$-4$
$-2$
$0$

Gael Collinet and Pierre Guillot, 2010.