Cremona's table of elliptic curves

Curve 28400b2

28400 = 24 · 52 · 71



Data for elliptic curve 28400b2

Field Data Notes
Atkin-Lehner 2+ 5+ 71+ Signs for the Atkin-Lehner involutions
Class 28400b Isogeny class
Conductor 28400 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ 4032800000000 = 211 · 58 · 712 Discriminant
Eigenvalues 2+  0 5+  4  2  0 -2  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-26075,-1617750] [a1,a2,a3,a4,a6]
Generators [74310:1185625:216] Generators of the group modulo torsion
j 61269831378/126025 j-invariant
L 6.0529499386934 L(r)(E,1)/r!
Ω 0.37574840258759 Real period
R 8.0545251782973 Regulator
r 1 Rank of the group of rational points
S 0.99999999999999 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 14200e2 113600bw2 5680b2 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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