Braid #19

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

Determinant: $$\frac{t^{6} - 4t^{5} + 8t^{4} - 9t^{3} + 8t^{2} - 4t + 1}{t^{3}}$$ Signatures:
$-2$
$0$

Gael Collinet and Pierre Guillot, 2010.