Cremona's table of elliptic curves

Curve 28400r1

28400 = 24 · 52 · 71



Data for elliptic curve 28400r1

Field Data Notes
Atkin-Lehner 2- 5+ 71- Signs for the Atkin-Lehner involutions
Class 28400r Isogeny class
Conductor 28400 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 12288 Modular degree for the optimal curve
Δ 9088000000 = 213 · 56 · 71 Discriminant
Eigenvalues 2- -1 5+ -1  2  3  6 -5 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-608,3712] [a1,a2,a3,a4,a6]
Generators [2:50:1] Generators of the group modulo torsion
j 389017/142 j-invariant
L 4.3597470506598 L(r)(E,1)/r!
Ω 1.1891079045251 Real period
R 0.91660038463896 Regulator
r 1 Rank of the group of rational points
S 0.99999999999999 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 3550j1 113600ci1 1136e1 Quadratic twists by: -4 8 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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