Cremona's table of elliptic curves

Curve 91728x2

91728 = 24 · 32 · 72 · 13



Data for elliptic curve 91728x2

Field Data Notes
Atkin-Lehner 2+ 3- 7- 13+ Signs for the Atkin-Lehner involutions
Class 91728x Isogeny class
Conductor 91728 Conductor
∏ cp 64 Product of Tamagawa factors cp
Δ 80182041182320896 = 28 · 38 · 710 · 132 Discriminant
Eigenvalues 2+ 3-  2 7-  0 13+ -6 -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-375879,87646790] [a1,a2,a3,a4,a6]
Generators [22:8910:1] Generators of the group modulo torsion
j 267492843088/3651921 j-invariant
L 7.1566058142588 L(r)(E,1)/r!
Ω 0.34371535402235 Real period
R 5.2053288578908 Regulator
r 1 Rank of the group of rational points
S 1.0000000013258 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 45864l2 30576e2 13104ba2 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
Back to Tables and computations