JacobiZeta
JacobiZeta[φ, m] gives the Jacobi zeta function Z(φ|m).
Examples
Compute Jacobi zeta:
JacobiZeta[Pi/4, 0.5]
(* 0.159213 *)Plot the function:
Plot[JacobiZeta[x, 0.5], {x, 0, 2 Pi}]Please visit the official Wolfram Language Reference for more details.