Cremona's table of elliptic curves

490 = 2 · 5 · 7²

Field	Data	Notes
Atkin-Lehner	2+ 5- 7-	Signs for the Atkin-Lehner involutions
Class	490d	Isogeny class
Conductor	490	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	24	Modular degree for the optimal curve
Δ	-980 = -1 · 22 · 5 · 72	Discriminant
Eigenvalues	2+ -1 5- 7- -6  4  0 -2	Hecke eigenvalues for primes up to 20
Equation	[1,1,0,3,1]	[a1,a2,a3,a4,a6]
Generators	[0:1:1]	Generators of the group modulo torsion
j	34391/20	j-invariant
L	1.3457322218231	L(r)(E,1)/r!
Ω	2.9268743131282	Real period
R	0.22989238311104	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	3920bd1 15680m1 4410bf1 2450w1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 490d1

a2	a3	a5	a7	a11	a13	a17	a19	a23	a29	a31	a37	a41	a43	a47	a53	a59	a61	a67	a71	a73	a79	a83	a89	a97
+	-1	-	-	-6	4	0	-2	-3	-3	-8	-4	-9	-7	0	-6	6	-5	5	-6	16	2	-3	15	-14

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Quadratic twists for elliptic curve 490d1

-4	8	-3	5	-7	-11	13
3920bd1	15680m1	4410bf1	2450w1	490a1	59290ek1	82810bz1

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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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