Cremona's table of elliptic curves

7728 = 2⁴ · 3 · 7 · 23

Field	Data	Notes
Atkin-Lehner	2- 3+ 7- 23+	Signs for the Atkin-Lehner involutions
Class	7728l	Isogeny class
Conductor	7728	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	372499704819228672 = 213 · 324 · 7 · 23	Discriminant
Eigenvalues	2- 3+ -2 7- -4  2  6  0	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-204624,20243520]	[a1,a2,a3,a4,a6]
Generators	[-134:6726:1]	Generators of the group modulo torsion
j	231331938231569617/90942310746882	j-invariant
L	3.0815179094168	L(r)(E,1)/r!
Ω	0.27427447383592	Real period
R	5.6175805686902	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	966i4 30912ch3 23184bz3 54096cs3	Quadratic twists by: -4 8 -3 -7

Hecke Eigenvalues for elliptic curve 7728l3

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
-	+	-2	-	-4	2	6	0	+	-2	-4	6	-6	-12	12	6	4	-10	-4	16	2	-8	16	6	-2

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Quadratic twists for elliptic curve 7728l3

-4	8	-3	-7
966i4	30912ch3	23184bz3	54096cs3

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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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