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	20880bq	Isogeny class
Conductor	20880	Conductor
∏ cp	64	Product of Tamagawa factors cp
Δ	1301812582809600 = 220 · 310 · 52 · 292	Discriminant
Eigenvalues	2- 3- 5+  0  0 -2 -6  0	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-200523,-34518022]	[a1,a2,a3,a4,a6]
Generators	[3359:192850:1]	Generators of the group modulo torsion
j	298626824461321/435974400	j-invariant
L	4.5234440708421	L(r)(E,1)/r!
Ω	0.22562986519009	Real period
R	5.0120183192849	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	2610j2 83520gd2 6960bc2 104400dl2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 20880bq2

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
-	-	+	0	0	-2	-6	0	8	+	4	2	-2	-4	0	-6	-4	14	12	0	-2	4	12	14	-2

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Quadratic twists for elliptic curve 20880bq2

-4	8	-3	5
2610j2	83520gd2	6960bc2	104400dl2

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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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