Cremona's table of elliptic curves

17885 = 5 · 7² · 73

Field	Data	Notes
Atkin-Lehner	5+ 7+ 73+	Signs for the Atkin-Lehner involutions
Class	17885a	Isogeny class
Conductor	17885	Conductor
∏ cp	6	Product of Tamagawa factors cp
deg	12768	Modular degree for the optimal curve
Δ	-10520761825 = -1 · 52 · 78 · 73	Discriminant
Eigenvalues	1  0 5+ 7+ -5  2  6  0	Hecke eigenvalues for primes up to 20
Equation	[1,-1,0,-2165,-38550]	[a1,a2,a3,a4,a6]
Generators	[86:594:1]	Generators of the group modulo torsion
j	-194726889/1825	j-invariant
L	4.4693876469988	L(r)(E,1)/r!
Ω	0.34974611752426	Real period
R	2.1298247609991	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	89425b1 17885p1	Quadratic twists by: 5 -7

Hecke Eigenvalues for elliptic curve 17885a1

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	+	+	-5	2	6	0	-4	-10	5	5	9	-4	4	4	11	6	16	-2	+	-10	4	3	-7

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Quadratic twists for elliptic curve 17885a1

5	-7
89425b1	17885p1

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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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