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	20880cm	Isogeny class
Conductor	20880	Conductor
∏ cp	48	Product of Tamagawa factors cp
deg	36864	Modular degree for the optimal curve
Δ	2770993152000 = 220 · 36 · 53 · 29	Discriminant
Eigenvalues	2- 3- 5-  2  2 -6 -2  2	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-10107,-382806]	[a1,a2,a3,a4,a6]
Generators	[-57:90:1]	Generators of the group modulo torsion
j	38238692409/928000	j-invariant
L	5.8599013867189	L(r)(E,1)/r!
Ω	0.47685497403405	Real period
R	1.0240537315336	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	2610n1 83520ei1 2320e1 104400es1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 20880cm1

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	-6	-2	2	-6	-	6	-2	-10	8	-4	-10	8	10	-2	4	6	10	-6	6	6

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Quadratic twists for elliptic curve 20880cm1

-4	8	-3	5
2610n1	83520ei1	2320e1	104400es1

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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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