Cremona's table of elliptic curves

7644 = 2² · 3 · 7² · 13

Field	Data	Notes
Atkin-Lehner	2- 3+ 7- 13+	Signs for the Atkin-Lehner involutions
Class	7644a	Isogeny class
Conductor	7644	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	436123585567488 = 28 · 3 · 76 · 136	Discriminant
Eigenvalues	2- 3+  0 7-  0 13+  6 -2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-36668,2521128]	[a1,a2,a3,a4,a6]
Generators	[-694:17963:8]	Generators of the group modulo torsion
j	181037698000/14480427	j-invariant
L	3.569693872439	L(r)(E,1)/r!
Ω	0.51716050356325	Real period
R	6.9024874247814	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	30576cl4 122304dz4 22932k4 156b4	Quadratic twists by: -4 8 -3 -7

Hecke Eigenvalues for elliptic curve 7644a4

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
-	+	0	-	0	+	6	-2	0	-6	-2	2	12	-4	0	6	-12	-2	-10	12	-14	8	-12	0	10

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Quadratic twists for elliptic curve 7644a4

-4	8	-3	-7	13
30576cl4	122304dz4	22932k4	156b4	99372f4

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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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