Cremona's table of elliptic curves

Curve 20832r1

20832 = 25 · 3 · 7 · 31



Data for elliptic curve 20832r1

Field Data Notes
Atkin-Lehner 2+ 3- 7- 31+ Signs for the Atkin-Lehner involutions
Class 20832r Isogeny class
Conductor 20832 Conductor
∏ cp 12 Product of Tamagawa factors cp
deg 11520 Modular degree for the optimal curve
Δ 6124608 = 26 · 32 · 73 · 31 Discriminant
Eigenvalues 2+ 3-  2 7- -4  2 -2  2 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-3542,79968] [a1,a2,a3,a4,a6]
Generators [42:84:1] Generators of the group modulo torsion
j 76808983160512/95697 j-invariant
L 7.3058606433162 L(r)(E,1)/r!
Ω 2.0194041175385 Real period
R 1.2059433077089 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 20832e1 41664cw1 62496bt1 Quadratic twists by: -4 8 -3


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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