Braid #78

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

Determinant: $$\frac{t^{4} - 4t^{3} + 7t^{2} - 4t + 1}{t^{2}}$$ Signatures:

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Gael Collinet and Pierre Guillot, 2010.