Braid #65

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

Determinant: $$\frac{3t^{4} - 7t^{3} + 9t^{2} - 7t + 3}{t^{2}}$$ Signatures:

$-4$ $-2$ $0$

Gael Collinet and Pierre Guillot, 2010.