Discriminant: Difference between revisions
From Elliptic Curve Crypto
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:<math>\Delta = \frac{- | :<math>\Delta = \frac{-110592a^3}j</math> | ||
in terms of the [[j-invariant]] when the field characteristic is not 2 or 3 <ref>Wolfram MathWorld: Elliptic Discriminant. https://mathworld.wolfram.com/EllipticDiscriminant.html</ref>. | in terms of the [[j-invariant]] when the field characteristic is not 2 or 3 <ref>Wolfram MathWorld: Elliptic Discriminant. https://mathworld.wolfram.com/EllipticDiscriminant.html</ref>. |
Revision as of 16:58, 3 January 2025
The discriminant of an elliptic curve in Weierstraß normal form
is defined to be
or
in terms of the j-invariant when the field characteristic is not 2 or 3 [1].
- ↑ Wolfram MathWorld: Elliptic Discriminant. https://mathworld.wolfram.com/EllipticDiscriminant.html