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	12	Product of Tamagawa factors cp
Δ	137429091072 = 28 · 33 · 76 · 132	Discriminant
Eigenvalues	2- 3+  0 7-  0 13+  6 -2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-7268,-235416]	[a1,a2,a3,a4,a6]
Generators	[-50:22:1]	Generators of the group modulo torsion
j	1409938000/4563	j-invariant
L	3.569693872439	L(r)(E,1)/r!
Ω	0.51716050356325	Real period
R	2.3008291415938	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	30576cl2 122304dz2 22932k2 156b2	Quadratic twists by: -4 8 -3 -7

Hecke Eigenvalues for elliptic curve 7644a2

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 7644a2

-4	8	-3	-7	13
30576cl2	122304dz2	22932k2	156b2	99372f2

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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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