Cremona's table of elliptic curves

1666 = 2 · 7² · 17

Field	Data	Notes
Atkin-Lehner	2+ 7- 17-	Signs for the Atkin-Lehner involutions
Class	1666h	Isogeny class
Conductor	1666	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	43680	Modular degree for the optimal curve
Δ	-322262082164621312 = -1 · 226 · 710 · 17	Discriminant
Eigenvalues	2+ -3  2 7- -5  3 17-  2	Hecke eigenvalues for primes up to 20
Equation	[1,-1,0,-74881,-28409795]	[a1,a2,a3,a4,a6]
Generators	[137214:738305:343]	Generators of the group modulo torsion
j	-164384733177/1140850688	j-invariant
L	1.4914517659405	L(r)(E,1)/r!
Ω	0.12811129855837	Real period
R	5.820922052636	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	13328z1 53312be1 14994co1 41650bx1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1666h1

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
+	-3	2	-	-5	3	-	2	-8	-6	4	8	-6	4	10	9	-4	-4	-10	-5	-2	-1	12	-9	-4

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Quadratic twists for elliptic curve 1666h1

-4	8	-3	5	-7	17
13328z1	53312be1	14994co1	41650bx1	1666c1	28322j1

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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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