Cremona's table of elliptic curves

196 = 2² · 7²

Field	Data	Notes
Atkin-Lehner	2- 7+	Signs for the Atkin-Lehner involutions
Class	196b	Isogeny class
Conductor	196	Conductor
∏ cp	9	Product of Tamagawa factors cp
deg	42	Modular degree for the optimal curve
Δ	92236816 = 24 · 78	Discriminant
Eigenvalues	2-  1  3 7+ -3  2  3 -1	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-114,-127]	[a1,a2,a3,a4,a6]
j	1792	j-invariant
L	1.5672749721049	L(r)(E,1)/r!
Ω	1.5672749721049	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	3	Number of elements in the torsion subgroup
Twists	784g1 3136b1 1764e1 4900a1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 196b1

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	3	+	-3	2	3	-1	3	-6	-7	-1	6	-4	-9	3	9	-1	-7	0	-1	-13	12	15	-10

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Quadratic twists for elliptic curve 196b1

-4	8	-3	5	-7	-11	13	17	-19	-23
784g1	3136b1	1764e1	4900a1	196a1	23716a1	33124c1	56644b1	70756a1	103684a1

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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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