KleinInvariantJ

KleinInvariantJ[] gives the Klein invariant modular elliptic function .

Mathematical function (see Section A.3.10).

The argument is the ratio of Weierstrass half-periods .

KleinInvariantJ is given in terms of Weierstrass invariants by .

is invariant under any combination of the modular transformations and .

See Section 3.2.11 for a discussion of argument conventions for elliptic functions.

See Section 3.2.11.

See also: ModularLambda, DedekindEta, WeierstrassInvariants, EllipticTheta.

New in Version 3.

Further Examples