Braid #52

Braid group element: $\sigma_{1}^{7} \sigma_{2}^{1} \sigma_{1}^{-1} \sigma_{2}^{1}\in B_{3}$
Plot:

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

$-6$ $-4$ $-2$ $0$

Gael Collinet and Pierre Guillot, 2010.