The discriminant $\Delta$ of an elliptic curve $E$ defined over $\mathbb{Q}$ is a nonzero integer divisible exactly by the primes of bad reduction. It is the discriminant of the minimal Weierstrass equation of the curve.
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- Review status: reviewed
- Last edited by John Jones on 2018-06-19 22:19:18
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- 2018-06-19 22:19:18 by John Jones (Reviewed)