Cremona's table of elliptic curves

16653 = 3 · 7 · 13 · 61

Field	Data	Notes
Atkin-Lehner	3+ 7+ 13- 61+	Signs for the Atkin-Lehner involutions
Class	16653c	Isogeny class
Conductor	16653	Conductor
∏ cp	24	Product of Tamagawa factors cp
Δ	-2640201774483 = -1 · 3 · 72 · 136 · 612	Discriminant
Eigenvalues	-1 3+  0 7+ -4 13-  0 -4	Hecke eigenvalues for primes up to 20
Equation	[1,1,1,-2008,84668]	[a1,a2,a3,a4,a6]
Generators	[-17:346:1] [22:216:1]	Generators of the group modulo torsion
j	-895423225866625/2640201774483	j-invariant
L	3.9253609766805	L(r)(E,1)/r!
Ω	0.7127772868459	Real period
R	0.9178558878351	Regulator
r	2	Rank of the group of rational points
S	1.0000000000002	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	49959f2 116571p2	Quadratic twists by: -3 -7

Hecke Eigenvalues for elliptic curve 16653c2

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
-1	+	0	+	-4	-	0	-4	-2	-4	0	-10	-4	0	-6	4	0	+	-12	-8	2	-8	-2	-18	10

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Quadratic twists for elliptic curve 16653c2

-3	-7
49959f2	116571p2

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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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