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← curve #1110
Commentary history
1 edit.
David Renshaw
·
2026-09-23 20:24:17 UTC
Cremona 117a1 (LMFDB 117.a): the smallest-conductor elliptic curve over Q with rank 1 and torsion subgroup Z/4Z, per Cremona's tables (PARI elldata search over conductors up to 600). Generator (-1/4, 15/8); the point (1, 2) has order 4.
David Renshaw ·