Skip to content

Tag

J-invariant

4 resources tagged “J-invariant” across the knowledge library.

4 items

Article7 Aug 2026Complex Multiplication and Class NumbersThe link between curves with complex multiplication and class groups of imaginary quadratic orders, and the Hilbert class polynomial.2 min readRead More Article7 Aug 2026Modular Equations and the j-InvariantModular functions, modular equations relating j-invariants of isogenous curves, and their use in locating isogenies.2 min readRead More Article7 Aug 2026Weierstrass Equations and InvariantsGeneral and short Weierstrass forms, the discriminant and j-invariant, and the transformations relating equivalent models.2 min readRead More Guide6 Aug 2026Elliptic Curves: Definitions and the Group LawWeierstrass forms, the discriminant and j-invariant, the group law with explicit formulas, torsion, and the structure of the group of points over finite fields.5 min readRead More