Cremona's table of elliptic curves

Curve 68400em2

68400 = 24 · 32 · 52 · 19



Data for elliptic curve 68400em2

Field Data Notes
Atkin-Lehner 2- 3- 5+ 19+ Signs for the Atkin-Lehner involutions
Class 68400em Isogeny class
Conductor 68400 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 5679775687500000000 = 28 · 314 · 512 · 19 Discriminant
Eigenvalues 2- 3- 5+ -2  4  0 -2 19+ Hecke eigenvalues for primes up to 20
Equation [0,0,0,-782175,240304250] [a1,a2,a3,a4,a6]
Generators [87880:5396875:512] Generators of the group modulo torsion
j 18148802937424/1947796875 j-invariant
L 6.3152603372177 L(r)(E,1)/r!
Ω 0.23293216467241 Real period
R 6.7780037446213 Regulator
r 1 Rank of the group of rational points
S 0.99999999994433 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 17100y2 22800bt2 13680bi2 Quadratic twists by: -4 -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