Cremona's table of elliptic curves

9776 = 2⁴ · 13 · 47

Field	Data	Notes
Atkin-Lehner	2- 13+ 47-	Signs for the Atkin-Lehner involutions
Class	9776b	Isogeny class
Conductor	9776	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	8736	Modular degree for the optimal curve
Δ	-320339968 = -1 · 219 · 13 · 47	Discriminant
Eigenvalues	2- -2  0 -4 -4 13+ -7 -2	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-3968,94900]	[a1,a2,a3,a4,a6]
Generators	[42:64:1]	Generators of the group modulo torsion
j	-1687284042625/78208	j-invariant
L	1.8847826526219	L(r)(E,1)/r!
Ω	1.6166655874117	Real period
R	0.29146142951547	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	1222b1 39104j1 87984bb1 127088h1	Quadratic twists by: -4 8 -3 13

Hecke Eigenvalues for elliptic curve 9776b1

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	0	-4	-4	+	-7	-2	4	1	7	3	9	11	-	14	3	-2	-2	0	2	1	-15	2	-4

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Quadratic twists for elliptic curve 9776b1

-4	8	-3	13
1222b1	39104j1	87984bb1	127088h1

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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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