Cremona's table of elliptic curves

6440 = 2³ · 5 · 7 · 23

Field	Data	Notes
Atkin-Lehner	2- 5- 7- 23-	Signs for the Atkin-Lehner involutions
Class	6440k	Isogeny class
Conductor	6440	Conductor
∏ cp	24	Product of Tamagawa factors cp
deg	1920	Modular degree for the optimal curve
Δ	-1082370800 = -1 · 24 · 52 · 76 · 23	Discriminant
Eigenvalues	2- -1 5- 7- -2 -1 -2 -2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-180,1897]	[a1,a2,a3,a4,a6]
Generators	[4:35:1]	Generators of the group modulo torsion
j	-40535147776/67648175	j-invariant
L	3.4701880741452	L(r)(E,1)/r!
Ω	1.389290367925	Real period
R	0.10407555763307	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	12880f1 51520n1 57960q1 32200a1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 6440k1

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	-	-	-2	-1	-2	-2	-	5	5	8	5	-10	-1	0	4	-8	8	-1	-7	-14	-6	-14	-2

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Quadratic twists for elliptic curve 6440k1

-4	8	-3	5	-7
12880f1	51520n1	57960q1	32200a1	45080x1

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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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