Braid #140

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

Determinant: $$\frac{3t^{6} - 9t^{5} + 16t^{4} - 19t^{3} + 16t^{2} - 9t + 3}{t^{3}}$$ Signatures:
$-6$
$-4$
$-2$
$0$

Gael Collinet and Pierre Guillot, 2010.