Cremona's table of elliptic curves

20128 = 2⁵ · 17 · 37

Field	Data	Notes
Atkin-Lehner	2+ 17+ 37+	Signs for the Atkin-Lehner involutions
Class	20128a	Isogeny class
Conductor	20128	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	272640	Modular degree for the optimal curve
Δ	-294584388079616 = -1 · 212 · 175 · 373	Discriminant
Eigenvalues	2+  0 -3  1  5  2 17+ -7	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-1925884,1028711136]	[a1,a2,a3,a4,a6]
Generators	[813:579:1]	Generators of the group modulo torsion
j	-192865318814678591808/71920016621	j-invariant
L	4.0193341402314	L(r)(E,1)/r!
Ω	0.44280859254197	Real period
R	4.5384554499701	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	20128f1 40256c1	Quadratic twists by: -4 8

Hecke Eigenvalues for elliptic curve 20128a1

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
+	0	-3	1	5	2	+	-7	-6	-1	8	+	-2	13	6	9	11	-11	2	-9	-6	-8	6	-16	5

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Quadratic twists for elliptic curve 20128a1

-4	8
20128f1	40256c1

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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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