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	7728r	Isogeny class
Conductor	7728	Conductor
∏ cp	128	Product of Tamagawa factors cp
Δ	-727487752672493568 = -1 · 214 · 34 · 7 · 238	Discriminant
Eigenvalues	2- 3- -2 7+  4 -2 -6 -4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,100256,39208820]	[a1,a2,a3,a4,a6]
j	27207619911317663/177609314617308	j-invariant
L	1.6553165896498	L(r)(E,1)/r!
Ω	0.20691457370622	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	966g6 30912bk5 23184bi5 54096bw5	Quadratic twists by: -4 8 -3 -7

Hecke Eigenvalues for elliptic curve 7728r6

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

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Quadratic twists for elliptic curve 7728r6

-4	8	-3	-7
966g6	30912bk5	23184bi5	54096bw5

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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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