Cremona's table of elliptic curves

1520 = 2⁴ · 5 · 19

Field	Data	Notes
Atkin-Lehner	2- 5+ 19-	Signs for the Atkin-Lehner involutions
Class	1520i	Isogeny class
Conductor	1520	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	960	Modular degree for the optimal curve
Δ	6516050000 = 24 · 55 · 194	Discriminant
Eigenvalues	2- -2 5+ -2  0  6  2 19-	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-921,-10346]	[a1,a2,a3,a4,a6]
Generators	[62:418:1]	Generators of the group modulo torsion
j	5405726654464/407253125	j-invariant
L	1.8884015479106	L(r)(E,1)/r!
Ω	0.87068173419411	Real period
R	2.1688769544	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	380b1 6080u1 13680bv1 7600q1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1520i1

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
-	-2	+	-2	0	6	2	-	2	-2	-4	-10	-10	-6	6	6	4	2	2	-12	-6	-8	2	2	-18

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Quadratic twists for elliptic curve 1520i1

-4	8	-3	5	-7	-19
380b1	6080u1	13680bv1	7600q1	74480ck1	28880w1

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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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