Cremona's table of elliptic curves

Curve 85400f1

85400 = 23 · 52 · 7 · 61



Data for elliptic curve 85400f1

Field Data Notes
Atkin-Lehner 2+ 5+ 7- 61- Signs for the Atkin-Lehner involutions
Class 85400f Isogeny class
Conductor 85400 Conductor
∏ cp 20 Product of Tamagawa factors cp
deg 491520 Modular degree for the optimal curve
Δ 10252270000000000 = 210 · 510 · 75 · 61 Discriminant
Eigenvalues 2+  1 5+ 7- -5 -4  3 -1 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-88408,-8897312] [a1,a2,a3,a4,a6]
Generators [-132:700:1] Generators of the group modulo torsion
j 4776209186116/640766875 j-invariant
L 6.5281161935997 L(r)(E,1)/r!
Ω 0.27932755065967 Real period
R 1.1685414090264 Regulator
r 1 Rank of the group of rational points
S 1.0000000001601 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 17080g1 Quadratic twists by: 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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