Cremona's table of elliptic curves

16720 = 2⁴ · 5 · 11 · 19

Field	Data	Notes
Atkin-Lehner	2- 5+ 11- 19+	Signs for the Atkin-Lehner involutions
Class	16720u	Isogeny class
Conductor	16720	Conductor
∏ cp	48	Product of Tamagawa factors cp
Δ	20956234416128000 = 218 · 53 · 116 · 192	Discriminant
Eigenvalues	2-  2 5+ -2 11-  2  0 19+	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-691096,221254896]	[a1,a2,a3,a4,a6]
Generators	[588:4224:1]	Generators of the group modulo torsion
j	8912089320684236569/5116268168000	j-invariant
L	6.2563236276191	L(r)(E,1)/r!
Ω	0.37871175664344	Real period
R	1.3766678566371	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	2090d4 66880dg4 83600bw4	Quadratic twists by: -4 8 5

Hecke Eigenvalues for elliptic curve 16720u4

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	+	-2	-	2	0	+	0	-6	4	8	6	-2	12	-12	-12	-10	-14	0	8	16	-6	6	8

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Quadratic twists for elliptic curve 16720u4

-4	8	5
2090d4	66880dg4	83600bw4

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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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