Braid #81

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

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

$0$ $2$

Gael Collinet and Pierre Guillot, 2010.