Cremona's table of elliptic curves

Curve 258c1

258 = 2 · 3 · 43



Data for elliptic curve 258c1

Field Data Notes
Atkin-Lehner 2+ 3- 43- Signs for the Atkin-Lehner involutions
Class 258c Isogeny class
Conductor 258 Conductor
∏ cp 10 Product of Tamagawa factors cp
deg 40 Modular degree for the optimal curve
Δ -41796 = -1 · 22 · 35 · 43 Discriminant
Eigenvalues 2+ 3- -3 -3 -5 -3  0  7 Hecke eigenvalues for primes up to 20
Equation [1,0,1,-15,22] [a1,a2,a3,a4,a6]
Generators [5:-12:1] Generators of the group modulo torsion
j -338608873/41796 j-invariant
L 1.1803278628358 L(r)(E,1)/r!
Ω 3.5120735390641 Real period
R 0.033607720615964 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 2064h1 8256h1 774i1 6450y1 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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