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	20880bg	Isogeny class
Conductor	20880	Conductor
∏ cp	12	Product of Tamagawa factors cp
deg	4608	Modular degree for the optimal curve
Δ	-263401200 = -1 · 24 · 33 · 52 · 293	Discriminant
Eigenvalues	2- 3+ 5+  1  3 -1  3 -2	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,147,-373]	[a1,a2,a3,a4,a6]
Generators	[26:145:1]	Generators of the group modulo torsion
j	813189888/609725	j-invariant
L	5.2205010765969	L(r)(E,1)/r!
Ω	0.97632485632878	Real period
R	0.44559119186921	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	5220a1 83520dt1 20880bl2 104400de1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 20880bg1

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	-2	-6	-	4	-4	6	4	-3	-6	0	8	-5	-6	-10	-8	-6	-9	-10

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Quadratic twists for elliptic curve 20880bg1

-4	8	-3	5
5220a1	83520dt1	20880bl2	104400de1

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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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