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	20880t	Isogeny class
Conductor	20880	Conductor
∏ cp	192	Product of Tamagawa factors cp
Δ	58856544000000 = 211 · 37 · 56 · 292	Discriminant
Eigenvalues	2+ 3- 5-  2 -2  4  6 -8	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-12027,348554]	[a1,a2,a3,a4,a6]
Generators	[-47:900:1]	Generators of the group modulo torsion
j	128865945458/39421875	j-invariant
L	6.2220469853128	L(r)(E,1)/r!
Ω	0.57942040833773	Real period
R	0.22371662612396	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	10440x2 83520ff2 6960f2 104400s2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 20880t2

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	4	6	-8	-4	+	10	2	0	-4	-8	-6	-12	-12	-12	-16	2	-2	6	0	-10

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Quadratic twists for elliptic curve 20880t2

-4	8	-3	5
10440x2	83520ff2	6960f2	104400s2

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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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