The authors study the Jacobian $J$ of the smooth projective curve $C$ of genus $r-1$ with affine model $y^r = x^r-1(x + 1)(x + t)$ over the function field $\mathbb F_p(t)$, when $p$ is prime and $r\ge 2$ is an integer prime to $p$.
Elefant
American Mathematical Society Explicit arithmetic of jacobians of generalized legendre curves over global function fields, paperback/shahed sharif