Cremona's table of elliptic curves

Curve 18240bu4

18240 = 26 · 3 · 5 · 19



Data for elliptic curve 18240bu4

Field Data Notes
Atkin-Lehner 2- 3+ 5+ 19- Signs for the Atkin-Lehner involutions
Class 18240bu Isogeny class
Conductor 18240 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 39398400000000 = 216 · 34 · 58 · 19 Discriminant
Eigenvalues 2- 3+ 5+  0  0  2 -6 19- Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-9121,-142655] [a1,a2,a3,a4,a6]
Generators [-59:432:1] Generators of the group modulo torsion
j 1280615525284/601171875 j-invariant
L 3.7465224254661 L(r)(E,1)/r!
Ω 0.51132257356756 Real period
R 1.8317802788004 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 18240y3 4560g4 54720et3 91200hz3 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
Back to Tables and computations