Cremona's table of elliptic curves

15555 = 3 · 5 · 17 · 61

Field	Data	Notes
Atkin-Lehner	3- 5+ 17- 61+	Signs for the Atkin-Lehner involutions
Class	15555b	Isogeny class
Conductor	15555	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	3968	Modular degree for the optimal curve
Δ	34018785 = 38 · 5 · 17 · 61	Discriminant
Eigenvalues	-1 3- 5+  2 -4 -6 17-  0	Hecke eigenvalues for primes up to 20
Equation	[1,0,0,-81,0]	[a1,a2,a3,a4,a6]
Generators	[-9:9:1]	Generators of the group modulo torsion
j	58818484369/34018785	j-invariant
L	3.1530762489896	L(r)(E,1)/r!
Ω	1.7535427682412	Real period
R	0.89905883851129	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	46665d1 77775a1	Quadratic twists by: -3 5

Hecke Eigenvalues for elliptic curve 15555b1

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	-	+	2	-4	-6	-	0	-2	-2	4	2	2	4	6	-6	10	+	-4	12	14	-8	14	10	18

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Quadratic twists for elliptic curve 15555b1

-3	5
46665d1	77775a1

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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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