Cremona's table of elliptic curves

Curve 2438a1

2438 = 2 · 23 · 53



Data for elliptic curve 2438a1

Field Data Notes
Atkin-Lehner 2+ 23- 53- Signs for the Atkin-Lehner involutions
Class 2438a Isogeny class
Conductor 2438 Conductor
∏ cp 18 Product of Tamagawa factors cp
deg 182520 Modular degree for the optimal curve
Δ -6.406285377072E+21 Discriminant
Eigenvalues 2+  2  1 -2 -4  5 -6 -4 Hecke eigenvalues for primes up to 20
Equation [1,1,0,-4195042,5074327668] [a1,a2,a3,a4,a6]
Generators [132636:8600818:27] Generators of the group modulo torsion
j -8164560540209513880634921/6406285377072000925696 j-invariant
L 3.1870521013877 L(r)(E,1)/r!
Ω 0.12280083557441 Real period
R 1.4418342452548 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 19504h1 78016g1 21942f1 60950e1 Quadratic twists by: -4 8 -3 5


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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