Braid #9

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

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

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Gael Collinet and Pierre Guillot, 2010.