Cremona's table of elliptic curves

81608 = 2³ · 101²

Field	Data	Notes
Atkin-Lehner	2+ 101+	Signs for the Atkin-Lehner involutions
Class	81608b	Isogeny class
Conductor	81608	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	1142400	Modular degree for the optimal curve
Δ	27446665013939456 = 28 · 1017	Discriminant
Eigenvalues	2+ -2  3 -2  2 -3  3  5	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-1319329,-583666461]	[a1,a2,a3,a4,a6]
Generators	[-2234235:754874:3375]	Generators of the group modulo torsion
j	934577152/101	j-invariant
L	5.5287828812696	L(r)(E,1)/r!
Ω	0.1408685571397	Real period
R	4.9059767074124	Regulator
r	1	Rank of the group of rational points
S	1.0000000000355	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	808b1	Quadratic twists by: 101

Hecke Eigenvalues for elliptic curve 81608b1

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	3	-2	2	-3	3	5	3	8	-3	-2	4	-8	5	2	-10	-12	2	-1	-4	13	0	14	-14

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Quadratic twists for elliptic curve 81608b1

101
808b1

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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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