Cremona's table of elliptic curves

49686 = 2 · 3 · 7² · 13²

Field	Data	Notes
Atkin-Lehner	2- 3+ 7- 13+	Signs for the Atkin-Lehner involutions
Class	49686ch	Isogeny class
Conductor	49686	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	241920	Modular degree for the optimal curve
Δ	-18045083856618 = -1 · 2 · 33 · 711 · 132	Discriminant
Eigenvalues	2- 3+ -2 7-  4 13+ -7  2	Hecke eigenvalues for primes up to 20
Equation	[1,1,1,-60369,5687625]	[a1,a2,a3,a4,a6]
Generators	[8756:2793:64]	Generators of the group modulo torsion
j	-1223745654937/907578	j-invariant
L	6.5950920597383	L(r)(E,1)/r!
Ω	0.68418935132779	Real period
R	2.4098197549182	Regulator
r	1	Rank of the group of rational points
S	1.0000000000001	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	7098be1 49686l1	Quadratic twists by: -7 13

Hecke Eigenvalues for elliptic curve 49686ch1

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	-	4	+	-7	2	-1	-2	-9	2	2	-5	6	3	15	7	5	-1	12	-4	-1	3	-16

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Quadratic twists for elliptic curve 49686ch1

-7	13
7098be1	49686l1

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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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