Braid #40

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

Determinant: $$\frac{t^{6} - 6t^{5} + 14t^{4} - 17t^{3} + 14t^{2} - 6t + 1}{t^{3}}$$ Signatures:

$-2$ $0$

Gael Collinet and Pierre Guillot, 2010.