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	20280be	Isogeny class
Conductor	20280	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	10587532174003200 = 210 · 3 · 52 · 1310	Discriminant
Eigenvalues	2- 3- 5-  4 -4 13+ -6  0	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-279920,-56881200]	[a1,a2,a3,a4,a6]
j	490757540836/2142075	j-invariant
L	3.3218114567652	L(r)(E,1)/r!
Ω	0.20761321604782	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	4	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	40560l4 60840q4 101400l4 1560e3	Quadratic twists by: -4 -3 5 13

Hecke Eigenvalues for elliptic curve 20280be3

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

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Quadratic twists for elliptic curve 20280be3

-4	-3	5	13
40560l4	60840q4	101400l4	1560e3

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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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