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	6640h	Isogeny class
Conductor	6640	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	864	Modular degree for the optimal curve
Δ	-33200 = -1 · 24 · 52 · 83	Discriminant
Eigenvalues	2-  3 5- -3  5 -2 -1  2	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,8,-1]	[a1,a2,a3,a4,a6]
j	3538944/2075	j-invariant
L	4.3392695048748	L(r)(E,1)/r!
Ω	2.1696347524374	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	1660c1 26560o1 59760bc1 33200bc1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 6640h1

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	-	-3	5	-2	-1	2	0	5	3	7	-2	-6	-2	-2	15	-11	16	12	2	-8	-	-6	8

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Quadratic twists for elliptic curve 6640h1

-4	8	-3	5
1660c1	26560o1	59760bc1	33200bc1

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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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