Cremona's table of elliptic curves

Curve 258b2

258 = 2 · 3 · 43



Data for elliptic curve 258b2

Field Data Notes
Atkin-Lehner 2+ 3+ 43- Signs for the Atkin-Lehner involutions
Class 258b Isogeny class
Conductor 258 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ -1131994839168 = -1 · 27 · 314 · 432 Discriminant
Eigenvalues 2+ 3+ -2  2  0  2  6  4 Hecke eigenvalues for primes up to 20
Equation [1,1,0,-1276,53584] [a1,a2,a3,a4,a6]
j -230042158153417/1131994839168 j-invariant
L 0.7540903551457 L(r)(E,1)/r!
Ω 0.7540903551457 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 2064j2 8256m2 774h2 6450bf2 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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