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	2240k	Isogeny class
Conductor	2240	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	-393379840 = -1 · 215 · 5 · 74	Discriminant
Eigenvalues	2+  0 5- 7- -4 -2  6  4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,148,656]	[a1,a2,a3,a4,a6]
Generators	[5:39:1]	Generators of the group modulo torsion
j	10941048/12005	j-invariant
L	3.1903786538985	L(r)(E,1)/r!
Ω	1.120881003603	Real period
R	2.8463134299209	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	2240e4 1120c4 20160br4 11200b4	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 2240k4

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	-	-	-4	-2	6	4	-8	-6	0	-10	10	-12	0	6	-12	-2	-4	-12	-10	-4	0	18	-10

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Quadratic twists for elliptic curve 2240k4

-4	8	-3	5	-7
2240e4	1120c4	20160br4	11200b4	15680e4

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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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