Braid #89

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

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

Gael Collinet and Pierre Guillot, 2010.