Cremona's table of elliptic curves

2678 = 2 · 13 · 103

Field	Data	Notes
Atkin-Lehner	2+ 13- 103-	Signs for the Atkin-Lehner involutions
Class	2678f	Isogeny class
Conductor	2678	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	18720	Modular degree for the optimal curve
Δ	-197419715264512 = -1 · 226 · 134 · 103	Discriminant
Eigenvalues	2+  2  0  0 -2 13-  2 -4	Hecke eigenvalues for primes up to 20
Equation	[1,1,0,-461480,-120858304]	[a1,a2,a3,a4,a6]
Generators	[59495452683:7200985349543:4019679]	Generators of the group modulo torsion
j	-10868855989257959199625/197419715264512	j-invariant
L	3.2683010758712	L(r)(E,1)/r!
Ω	0.091586348060799	Real period
R	17.842730631106	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	21424p1 85696q1 24102bd1 66950y1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 2678f1

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	0	0	-2	-	2	-4	-8	-6	-4	-4	10	2	12	-4	-4	-14	2	4	6	8	-4	6	-10

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Quadratic twists for elliptic curve 2678f1

-4	8	-3	5	13
21424p1	85696q1	24102bd1	66950y1	34814q1

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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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