Cremona's table of elliptic curves

6640 = 2⁴ · 5 · 83

Field	Data	Notes
Atkin-Lehner	2- 5+ 83-	Signs for the Atkin-Lehner involutions
Class	6640d	Isogeny class
Conductor	6640	Conductor
∏ cp	6	Product of Tamagawa factors cp
Δ	-142946750000 = -1 · 24 · 56 · 833	Discriminant
Eigenvalues	2- -1 5+  1 -3  2  3 -2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-1221,-24104]	[a1,a2,a3,a4,a6]
Generators	[756:20750:1]	Generators of the group modulo torsion
j	-12592337649664/8934171875	j-invariant
L	3.0445680508279	L(r)(E,1)/r!
Ω	0.39155694647806	Real period
R	1.2959239084774	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	1660a2 26560q2 59760bj2 33200s2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 6640d2

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	+	1	-3	2	3	-2	0	-3	-5	11	6	10	-6	6	-9	5	-8	-12	14	4	-	-6	-16

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Quadratic twists for elliptic curve 6640d2

-4	8	-3	5
1660a2	26560q2	59760bj2	33200s2

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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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