Cremona's table of elliptic curves

20280 = 2³ · 3 · 5 · 13²

Field	Data	Notes
Atkin-Lehner	2+ 3- 5+ 13+	Signs for the Atkin-Lehner involutions
Class	20280l	Isogeny class
Conductor	20280	Conductor
∏ cp	15	Product of Tamagawa factors cp
deg	112320	Modular degree for the optimal curve
Δ	-2029799067678720 = -1 · 211 · 35 · 5 · 138	Discriminant
Eigenvalues	2+ 3- 5+  2  1 13+  6 -6	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-27096,-2774160]	[a1,a2,a3,a4,a6]
j	-1316978/1215	j-invariant
L	2.6885274366825	L(r)(E,1)/r!
Ω	0.1792351624455	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	40560c1 60840bu1 101400ce1 20280bd1	Quadratic twists by: -4 -3 5 13

Hecke Eigenvalues for elliptic curve 20280l1

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	+	6	-6	-5	3	-7	-11	-10	-1	13	10	3	10	8	4	6	-7	10	-2	-10

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Quadratic twists for elliptic curve 20280l1

-4	-3	5	13
40560c1	60840bu1	101400ce1	20280bd1

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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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