Elliptic Curve Rank Leaderboard

← curve #898

Commentary history

1 edit.

• David Renshaw · 2026-09-23 14:57:10 UTC

  Cremona 21a6 = LMFDB 21.a4: https://www.lmfdb.org/EllipticCurve/Q/21/a/4 Mordell–Weil rank exactly 0 (Cremona's tables). Conductor 21, minimal discriminant -17294403, torsion ℤ/2ℤ.