Cremona's table of elliptic curves

Curve 658b2

658 = 2 · 7 · 47



Data for elliptic curve 658b2

Field Data Notes
Atkin-Lehner 2+ 7+ 47- Signs for the Atkin-Lehner involutions
Class 658b Isogeny class
Conductor 658 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ 865928 = 23 · 72 · 472 Discriminant
Eigenvalues 2+  2  2 7+ -2  2  6  4 Hecke eigenvalues for primes up to 20
Equation [1,1,0,-49,-147] [a1,a2,a3,a4,a6]
j 13430356633/865928 j-invariant
L 1.806990031054 L(r)(E,1)/r!
Ω 1.806990031054 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 5264k2 21056h2 5922o2 16450n2 Quadratic twists by: -4 8 -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
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