Cremona's table of elliptic curves

Curve 490a2

490 = 2 · 5 · 72



Data for elliptic curve 490a2

Field Data Notes
Atkin-Lehner 2+ 5+ 7+ Signs for the Atkin-Lehner involutions
Class 490a Isogeny class
Conductor 490 Conductor
∏ cp 6 Product of Tamagawa factors cp
Δ -46118408000 = -1 · 26 · 53 · 78 Discriminant
Eigenvalues 2+  1 5+ 7+ -6 -4  0  2 Hecke eigenvalues for primes up to 20
Equation [1,0,1,-1594,-26708] [a1,a2,a3,a4,a6]
Generators [53:169:1] Generators of the group modulo torsion
j -77626969/8000 j-invariant
L 1.5859684246354 L(r)(E,1)/r!
Ω 0.37562498884967 Real period
R 0.70370203958491 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 3920p2 15680bg2 4410bj2 2450s2 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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