Cremona's table of elliptic curves

7920 = 2⁴ · 3² · 5 · 11

Field	Data	Notes
Atkin-Lehner	2+ 3- 5- 11+	Signs for the Atkin-Lehner involutions
Class	7920l	Isogeny class
Conductor	7920	Conductor
∏ cp	20	Product of Tamagawa factors cp
deg	30720	Modular degree for the optimal curve
Δ	581160586050000 = 24 · 38 · 55 · 116	Discriminant
Eigenvalues	2+ 3- 5-  2 11+  0 -4 -4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-80382,8694731]	[a1,a2,a3,a4,a6]
Generators	[187:450:1]	Generators of the group modulo torsion
j	4924392082991104/49825153125	j-invariant
L	4.7527257704037	L(r)(E,1)/r!
Ω	0.51898161706907	Real period
R	1.8315584267684	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	3960t1 31680cu1 2640c1 39600k1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 7920l1

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	+	0	-4	-4	4	-6	0	6	-10	-2	-4	2	12	-6	-8	0	-8	8	-18	-14	14

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Quadratic twists for elliptic curve 7920l1

-4	8	-3	5	-11
3960t1	31680cu1	2640c1	39600k1	87120ce1

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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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