Cremona's table of elliptic curves

Curve 91728bm1

91728 = 24 · 32 · 72 · 13



Data for elliptic curve 91728bm1

Field Data Notes
Atkin-Lehner 2+ 3- 7- 13- Signs for the Atkin-Lehner involutions
Class 91728bm Isogeny class
Conductor 91728 Conductor
∏ cp 12 Product of Tamagawa factors cp
deg 7741440 Modular degree for the optimal curve
Δ -2.7355867354255E+22 Discriminant
Eigenvalues 2+ 3-  2 7- -3 13- -3 -1 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-42015099,105124524442] [a1,a2,a3,a4,a6]
j -38898423529252/129730653 j-invariant
L 1.4282288522224 L(r)(E,1)/r!
Ω 0.11901906589103 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 45864br1 30576bc1 91728n1 Quadratic twists by: -4 -3 -7


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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