Elliptic Curve Rank Leaderboard

Commentary history

1 edit.

David Renshaw · 2026-09-23 14:56:06 UTC

Cremona 21a1 = LMFDB 21.a5: https://www.lmfdb.org/EllipticCurve/Q/21/a/5 Mordell–Weil rank exactly 0 (Cremona's tables). Conductor 21, minimal discriminant 3969, torsion ℤ/2ℤ × ℤ/4ℤ.