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	16	Product of Tamagawa factors cp
deg	23040	Modular degree for the optimal curve
Δ	-93587283836928 = -1 · 216 · 36 · 7 · 234	Discriminant
Eigenvalues	2- 3+ -2 7- -4  2  6  0	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-9584,592320]	[a1,a2,a3,a4,a6]
Generators	[-88:864:1]	Generators of the group modulo torsion
j	-23771111713777/22848457968	j-invariant
L	3.0815179094168	L(r)(E,1)/r!
Ω	0.54854894767183	Real period
R	1.4043951421726	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	966i1 30912ch1 23184bz1 54096cs1	Quadratic twists by: -4 8 -3 -7

Hecke Eigenvalues for elliptic curve 7728l1

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

---

Quadratic twists for elliptic curve 7728l1

-4	8	-3	-7
966i1	30912ch1	23184bz1	54096cs1

---

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations