Cremona's table of elliptic curves

Curve 123840bu4

123840 = 26 · 32 · 5 · 43



Data for elliptic curve 123840bu4

Field Data Notes
Atkin-Lehner 2+ 3- 5+ 43- Signs for the Atkin-Lehner involutions
Class 123840bu Isogeny class
Conductor 123840 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ 3611174400000000 = 215 · 38 · 58 · 43 Discriminant
Eigenvalues 2+ 3- 5+  0 -4  2 -2 -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-156108,23563568] [a1,a2,a3,a4,a6]
Generators [2114:6993:8] Generators of the group modulo torsion
j 17612529277832/151171875 j-invariant
L 4.8949885872352 L(r)(E,1)/r!
Ω 0.44592324106966 Real period
R 5.4885999767034 Regulator
r 1 Rank of the group of rational points
S 1.0000000012548 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 123840bf4 61920q3 41280s4 Quadratic twists by: -4 8 -3


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