EllipticNomeQ[m] gives the nome q corresponding to the parameter m in an elliptic function.
Mathematical function (see Section A.3.10).
EllipticNomeQ is related to EllipticK by .
EllipticNomeQ[m] has a branch cut discontinuity in the complex m plane running from to .
See The Mathematica Book: Section 3.2.11.
See also: InverseEllipticNomeQ.