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Commentary history

1 edit.

• David Renshaw · 2026-09-26 20:52:25 UTC

  Cremona 609b4 = LMFDB 609.a1: https://www.lmfdb.org/EllipticCurve/Q/609/a/1 Mordell–Weil rank exactly 1 (Cremona's tables). Conductor 609, minimal discriminant 38367, torsion ℤ/4ℤ. The witness is the generator from Cremona's tables.