Cremona's table of elliptic curves

Curve 18240bi2

18240 = 26 · 3 · 5 · 19



Data for elliptic curve 18240bi2

Field Data Notes
Atkin-Lehner 2+ 3- 5+ 19- Signs for the Atkin-Lehner involutions
Class 18240bi Isogeny class
Conductor 18240 Conductor
∏ cp 80 Product of Tamagawa factors cp
Δ 71862681600 = 215 · 35 · 52 · 192 Discriminant
Eigenvalues 2+ 3- 5+  2  4 -6  0 19- Hecke eigenvalues for primes up to 20
Equation [0,1,0,-10241,395295] [a1,a2,a3,a4,a6]
Generators [19:456:1] Generators of the group modulo torsion
j 3625294417928/2193075 j-invariant
L 6.2475929556526 L(r)(E,1)/r!
Ω 1.0814820609716 Real period
R 0.28884404009624 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 18240d2 9120o2 54720cg2 91200bh2 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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