Cremona's table of elliptic curves

128576 = 2⁶ · 7² · 41

Field	Data	Notes
Atkin-Lehner	2- 7- 41+	Signs for the Atkin-Lehner involutions
Class	128576ch	Isogeny class
Conductor	128576	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	18432	Modular degree for the optimal curve
Δ	84345856 = 210 · 72 · 412	Discriminant
Eigenvalues	2-  1 -1 7-  3  2 -1  3	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-121,223]	[a1,a2,a3,a4,a6]
Generators	[66:533:1]	Generators of the group modulo torsion
j	3937024/1681	j-invariant
L	8.2894173579988	L(r)(E,1)/r!
Ω	1.7322139658509	Real period
R	2.3927232903863	Regulator
r	1	Rank of the group of rational points
S	0.99999999492742	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	128576t1 32144q1 128576cd1	Quadratic twists by: -4 8 -7

Hecke Eigenvalues for elliptic curve 128576ch1

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	-1	-	3	2	-1	3	5	2	5	-7	+	4	-3	3	-5	3	-13	0	1	11	-4	-5	-2

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Quadratic twists for elliptic curve 128576ch1

-4	8	-7
128576t1	32144q1	128576cd1

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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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