Cremona's table of elliptic curves

840 = 2³ · 3 · 5 · 7

Field	Data	Notes
Atkin-Lehner	2- 3- 5+ 7+	Signs for the Atkin-Lehner involutions
Class	840h	Isogeny class
Conductor	840	Conductor
∏ cp	24	Product of Tamagawa factors cp
Δ	-19046845440 = -1 · 210 · 312 · 5 · 7	Discriminant
Eigenvalues	2- 3- 5+ 7+ -4 -6 -2 -8	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,504,5184]	[a1,a2,a3,a4,a6]
Generators	[0:72:1]	Generators of the group modulo torsion
j	13799183324/18600435	j-invariant
L	2.4547357753632	L(r)(E,1)/r!
Ω	0.823780652105	Real period
R	0.49664025026781	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	1680c4 6720j4 2520h4 4200e4	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 840h4

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	-6	-2	-8	4	6	4	-2	-2	-12	0	2	-4	6	-4	8	6	-16	-4	-18	6

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Quadratic twists for elliptic curve 840h4

-4	8	-3	5	-7	-11
1680c4	6720j4	2520h4	4200e4	5880z4	101640bf3

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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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