Cremona's table of elliptic curves

2842 = 2 · 7² · 29

Field	Data	Notes
Atkin-Lehner	2+ 7- 29+	Signs for the Atkin-Lehner involutions
Class	2842b	Isogeny class
Conductor	2842	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	30720	Modular degree for the optimal curve
Δ	-108981897845997568 = -1 · 216 · 711 · 292	Discriminant
Eigenvalues	2+ -2 -2 7-  4  2  4 -2	Hecke eigenvalues for primes up to 20
Equation	[1,0,1,-104102,20470776]	[a1,a2,a3,a4,a6]
j	-1060490285861833/926330847232	j-invariant
L	0.61110565091475	L(r)(E,1)/r!
Ω	0.30555282545737	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	22736bc1 90944cc1 25578bv1 71050bu1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 2842b1

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

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Quadratic twists for elliptic curve 2842b1

-4	8	-3	5	-7	29
22736bc1	90944cc1	25578bv1	71050bu1	406d1	82418o1

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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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