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	16	Product of Tamagawa factors cp
deg	12288	Modular degree for the optimal curve
Δ	-2722740830208 = -1 · 228 · 32 · 72 · 23	Discriminant
Eigenvalues	2- 3- -2 7+  4 -2 -6 -4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,2016,-70668]	[a1,a2,a3,a4,a6]
j	221115865823/664731648	j-invariant
L	1.6553165896498	L(r)(E,1)/r!
Ω	0.41382914741245	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	966g1 30912bk1 23184bi1 54096bw1	Quadratic twists by: -4 8 -3 -7

Hecke Eigenvalues for elliptic curve 7728r1

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 7728r1

-4	8	-3	-7
966g1	30912bk1	23184bi1	54096bw1

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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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