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	7644g	Isogeny class
Conductor	7644	Conductor
∏ cp	12	Product of Tamagawa factors cp
deg	4320	Modular degree for the optimal curve
Δ	220238928 = 24 · 32 · 76 · 13	Discriminant
Eigenvalues	2- 3-  4 7- -4 13+ -2  2	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-261,-1548]	[a1,a2,a3,a4,a6]
j	1048576/117	j-invariant
L	3.5880622791149	L(r)(E,1)/r!
Ω	1.196020759705	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	30576bw1 122304ci1 22932s1 156a1	Quadratic twists by: -4 8 -3 -7

Hecke Eigenvalues for elliptic curve 7644g1

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
-	-	4	-	-4	+	-2	2	0	-6	10	10	-8	4	4	-10	8	14	2	16	10	-16	0	4	2

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Quadratic twists for elliptic curve 7644g1

-4	8	-3	-7	13
30576bw1	122304ci1	22932s1	156a1	99372bu1

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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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