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Commentary history

1 edit.

• David Renshaw · 2026-09-26 20:49:59 UTC

  Cremona 1320i1 = LMFDB 1320.e4: https://www.lmfdb.org/EllipticCurve/Q/1320/e/4 Mordell–Weil rank exactly 1 (Cremona's tables). Conductor 1320, minimal discriminant -990000, torsion ℤ/4ℤ. The witness is the generator from Cremona's tables.