Cremona's table of elliptic curves

Curve 91728ei2

91728 = 24 · 32 · 72 · 13



Data for elliptic curve 91728ei2

Field Data Notes
Atkin-Lehner 2- 3- 7- 13+ Signs for the Atkin-Lehner involutions
Class 91728ei Isogeny class
Conductor 91728 Conductor
∏ cp 128 Product of Tamagawa factors cp
Δ 8.9745965369419E+20 Discriminant
Eigenvalues 2- 3-  2 7- -4 13+  2 -8 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-9169419,-10589483590] [a1,a2,a3,a4,a6]
j 242702053576633/2554695936 j-invariant
L 0.69451266676727 L(r)(E,1)/r!
Ω 0.086814092685284 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 11466bz2 30576br2 1872r2 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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