Cremona's table of elliptic curves

Curve 18240co4

18240 = 26 · 3 · 5 · 19



Data for elliptic curve 18240co4

Field Data Notes
Atkin-Lehner 2- 3- 5+ 19- Signs for the Atkin-Lehner involutions
Class 18240co Isogeny class
Conductor 18240 Conductor
∏ cp 64 Product of Tamagawa factors cp
Δ -268005441208320 = -1 · 216 · 316 · 5 · 19 Discriminant
Eigenvalues 2- 3- 5+ -4 -4 -2 -6 19- Hecke eigenvalues for primes up to 20
Equation [0,1,0,-641,787455] [a1,a2,a3,a4,a6]
Generators [-89:384:1] [-41:864:1] Generators of the group modulo torsion
j -445138564/4089438495 j-invariant
L 7.2459928890578 L(r)(E,1)/r!
Ω 0.44110132807928 Real period
R 1.026690528315 Regulator
r 2 Rank of the group of rational points
S 0.99999999999986 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 18240e4 4560c4 54720fd3 91200gi3 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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