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	20880o	Isogeny class
Conductor	20880	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	32256	Modular degree for the optimal curve
Δ	-1479531744000 = -1 · 28 · 313 · 53 · 29	Discriminant
Eigenvalues	2+ 3- 5+  2  1 -2  8  2	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-4188,119612]	[a1,a2,a3,a4,a6]
Generators	[-71:243:1]	Generators of the group modulo torsion
j	-43528754176/7927875	j-invariant
L	5.5394228450953	L(r)(E,1)/r!
Ω	0.81676410038147	Real period
R	1.695539398251	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	10440v1 83520fo1 6960h1 104400bi1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 20880o1

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	1	-2	8	2	3	-	-4	-11	-9	9	-10	-3	-12	8	-10	-6	-9	16	-11	-10	13

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Quadratic twists for elliptic curve 20880o1

-4	8	-3	5
10440v1	83520fo1	6960h1	104400bi1

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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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