Cremona's table of elliptic curves

20880 = 2⁴ · 3² · 5 · 29

Field	Data	Notes
Atkin-Lehner	2- 3- 5- 29-	Signs for the Atkin-Lehner involutions
Class	20880cl	Isogeny class
Conductor	20880	Conductor
∏ cp	36	Product of Tamagawa factors cp
Δ	-120012171750000 = -1 · 24 · 39 · 56 · 293	Discriminant
Eigenvalues	2- 3- 5-  1 -3 -1 -3  4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-4377,-538729]	[a1,a2,a3,a4,a6]
Generators	[142:1305:1]	Generators of the group modulo torsion
j	-795070868224/10289109375	j-invariant
L	5.5682037809887	L(r)(E,1)/r!
Ω	0.25162338491323	Real period
R	0.6146977448182	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	5220p2 83520ee2 6960u2 104400ek2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 20880cl2

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
-	-	-	1	-3	-1	-3	4	0	-	4	-4	6	10	-9	-12	0	2	-5	6	-16	4	-12	9	-4

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Quadratic twists for elliptic curve 20880cl2

-4	8	-3	5
5220p2	83520ee2	6960u2	104400ek2

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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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