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	20880bh	Isogeny class
Conductor	20880	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	5760	Modular degree for the optimal curve
Δ	-25056000 = -1 · 28 · 33 · 53 · 29	Discriminant
Eigenvalues	2- 3+ 5+  2 -1  0 -2  2	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-888,10188]	[a1,a2,a3,a4,a6]
Generators	[18:6:1]	Generators of the group modulo torsion
j	-11203633152/3625	j-invariant
L	5.0535321794564	L(r)(E,1)/r!
Ω	2.0800740663268	Real period
R	0.60737406677788	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	5220b1 83520du1 20880bm1 104400df1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 20880bh1

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	0	-2	2	-3	-	-6	1	5	-7	2	11	8	-14	10	16	-9	4	3	6	-3

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Quadratic twists for elliptic curve 20880bh1

-4	8	-3	5
5220b1	83520du1	20880bm1	104400df1

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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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