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	20880r	Isogeny class
Conductor	20880	Conductor
∏ cp	16	Product of Tamagawa factors cp
deg	6144	Modular degree for the optimal curve
Δ	-634230000 = -1 · 24 · 37 · 54 · 29	Discriminant
Eigenvalues	2+ 3- 5-  1 -1 -3 -1 -2	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,213,-191]	[a1,a2,a3,a4,a6]
Generators	[8:45:1]	Generators of the group modulo torsion
j	91625216/54375	j-invariant
L	5.6432138560596	L(r)(E,1)/r!
Ω	0.94869776922482	Real period
R	0.3717736854087	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	10440h1 83520fb1 6960n1 104400p1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 20880r1

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	-1	-3	-1	-2	8	+	0	8	6	-4	-13	-2	2	-8	-9	0	-16	10	2	13	-2

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Quadratic twists for elliptic curve 20880r1

-4	8	-3	5
10440h1	83520fb1	6960n1	104400p1

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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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