Cremona's table of elliptic curves

Curve 91728bq1

91728 = 24 · 32 · 72 · 13



Data for elliptic curve 91728bq1

Field Data Notes
Atkin-Lehner 2+ 3- 7- 13- Signs for the Atkin-Lehner involutions
Class 91728bq Isogeny class
Conductor 91728 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 49152 Modular degree for the optimal curve
Δ -4279661568 = -1 · 210 · 38 · 72 · 13 Discriminant
Eigenvalues 2+ 3- -2 7- -3 13- -3  7 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-651,-7126] [a1,a2,a3,a4,a6]
j -834148/117 j-invariant
L 1.8757131243484 L(r)(E,1)/r!
Ω 0.4689282901969 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 45864bu1 30576j1 91728m1 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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