Cremona's table of elliptic curves

6660 = 2² · 3² · 5 · 37

Field	Data	Notes
Atkin-Lehner	2- 3- 5- 37+	Signs for the Atkin-Lehner involutions
Class	6660d	Isogeny class
Conductor	6660	Conductor
∏ cp	16	Product of Tamagawa factors cp
deg	21504	Modular degree for the optimal curve
Δ	1769698530000 = 24 · 314 · 54 · 37	Discriminant
Eigenvalues	2- 3- 5-  4  4  2 -2 -2	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-69132,6995981]	[a1,a2,a3,a4,a6]
j	3132662187311104/151723125	j-invariant
L	3.1570542408979	L(r)(E,1)/r!
Ω	0.78926356022446	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	26640bw1 106560cf1 2220b1 33300s1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 6660d1

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

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Quadratic twists for elliptic curve 6660d1

-4	8	-3	5
26640bw1	106560cf1	2220b1	33300s1

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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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