Cremona's table of elliptic curves

Curve 490c2

490 = 2 · 5 · 72



Data for elliptic curve 490c2

Field Data Notes
Atkin-Lehner 2+ 5- 7+ Signs for the Atkin-Lehner involutions
Class 490c Isogeny class
Conductor 490 Conductor
∏ cp 3 Product of Tamagawa factors cp
Δ -60448319733760 = -1 · 221 · 5 · 78 Discriminant
Eigenvalues 2+ -2 5- 7+  3 -1 -6 -1 Hecke eigenvalues for primes up to 20
Equation [1,0,1,-7768,-458202] [a1,a2,a3,a4,a6]
j -8990558521/10485760 j-invariant
L 0.72997186059177 L(r)(E,1)/r!
Ω 0.24332395353059 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 3920z2 15680b2 4410ba2 2450u2 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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