Cremona's table of elliptic curves

656 = 2⁴ · 41

Field	Data	Notes
Atkin-Lehner	2- 41+	Signs for the Atkin-Lehner involutions
Class	656c	Isogeny class
Conductor	656	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	96	Modular degree for the optimal curve
Δ	671744 = 214 · 41	Discriminant
Eigenvalues	2-  2 -2  4  2  4 -2 -6	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-24,-16]	[a1,a2,a3,a4,a6]
j	389017/164	j-invariant
L	2.232036368015	L(r)(E,1)/r!
Ω	2.232036368015	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	82a1 2624g1 5904s1 16400p1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 656c1

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

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Quadratic twists for elliptic curve 656c1

-4	8	-3	5	-7	-11	13	41
82a1	2624g1	5904s1	16400p1	32144bc1	79376u1	110864p1	26896e1

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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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