Cremona's table of elliptic curves

Curve 490d2

490 = 2 · 5 · 72



Data for elliptic curve 490d2

Field Data Notes
Atkin-Lehner 2+ 5- 7- Signs for the Atkin-Lehner involutions
Class 490d Isogeny class
Conductor 490 Conductor
∏ cp 6 Product of Tamagawa factors cp
Δ -392000 = -1 · 26 · 53 · 72 Discriminant
Eigenvalues 2+ -1 5- 7- -6  4  0 -2 Hecke eigenvalues for primes up to 20
Equation [1,1,0,-32,64] [a1,a2,a3,a4,a6]
Generators [8:16:1] Generators of the group modulo torsion
j -77626969/8000 j-invariant
L 1.3457322218231 L(r)(E,1)/r!
Ω 2.9268743131282 Real period
R 0.076630794370347 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 3920bd2 15680m2 4410bf2 2450w2 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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