Cremona's table of elliptic curves

2240 = 2⁶ · 5 · 7

Field	Data	Notes
Atkin-Lehner	2- 5+ 7-	Signs for the Atkin-Lehner involutions
Class	2240t	Isogeny class
Conductor	2240	Conductor
∏ cp	32	Product of Tamagawa factors cp
Δ	6146560000 = 212 · 54 · 74	Discriminant
Eigenvalues	2-  0 5+ 7-  0  2  2 -8	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-3268,-71808]	[a1,a2,a3,a4,a6]
Generators	[94:672:1]	Generators of the group modulo torsion
j	942344950464/1500625	j-invariant
L	2.9617139512442	L(r)(E,1)/r!
Ω	0.63149596480311	Real period
R	2.3449983185305	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	2240o2 1120o1 20160fa2 11200bt2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 2240t2

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	2	-8	8	-6	0	2	-6	-8	-8	2	-8	2	-8	0	10	-16	-16	10	-14

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Quadratic twists for elliptic curve 2240t2

-4	8	-3	5	-7
2240o2	1120o1	20160fa2	11200bt2	15680di2

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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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