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FilledSmallSquare KleinInvariantJ[] gives the Klein invariant modular elliptic function .

FilledSmallSquare Mathematical function (see Section A.3.10).

FilledSmallSquare The argument is the ratio of Weierstrass half-periods .

FilledSmallSquare KleinInvariantJ is given in terms of Weierstrass invariants by .

FilledSmallSquare is invariant under any combination of the modular transformations and .

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

FilledSmallSquare See Section 3.2.11.

FilledSmallSquare See also: ModularLambda, DedekindEta, WeierstrassInvariants, EllipticTheta.

FilledSmallSquare New in Version 3.

Further Examples