Cremona's table of elliptic curves

Curve 2989c1

2989 = 72 · 61



Data for elliptic curve 2989c1

Field Data Notes
Atkin-Lehner 7- 61- Signs for the Atkin-Lehner involutions
Class 2989c Isogeny class
Conductor 2989 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 1728 Modular degree for the optimal curve
Δ 2461570027 = 79 · 61 Discriminant
Eigenvalues -1 -1  0 7- -5 -4  5  7 Hecke eigenvalues for primes up to 20
Equation [1,1,1,-1373,18864] [a1,a2,a3,a4,a6]
Generators [-8:175:1] Generators of the group modulo torsion
j 2433138625/20923 j-invariant
L 1.5758646128072 L(r)(E,1)/r!
Ω 1.4558874329938 Real period
R 0.27060207010075 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 47824r1 26901t1 74725m1 427c1 Quadratic twists by: -4 -3 5 -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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