Braid #20

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

Determinant: $$\frac{-t^{6} + 4t^{5} - 8t^{4} + 11t^{3} - 8t^{2} + 4t - 1}{t^{3}}$$ Signatures:
$0$

Gael Collinet and Pierre Guillot, 2010.