Cremona's table of elliptic curves

7917 = 3 · 7 · 13 · 29

Field	Data	Notes
Atkin-Lehner	3- 7+ 13+ 29-	Signs for the Atkin-Lehner involutions
Class	7917d	Isogeny class
Conductor	7917	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	4224	Modular degree for the optimal curve
Δ	-121755543 = -1 · 3 · 72 · 134 · 29	Discriminant
Eigenvalues	1 3- -4 7+  0 13+  6 -4	Hecke eigenvalues for primes up to 20
Equation	[1,0,1,-393,3007]	[a1,a2,a3,a4,a6]
Generators	[13:5:1]	Generators of the group modulo torsion
j	-6688239997321/121755543	j-invariant
L	4.3363720605615	L(r)(E,1)/r!
Ω	1.8633538398556	Real period
R	2.3271865857199	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	126672bk1 23751a1 55419d1 102921n1	Quadratic twists by: -4 -3 -7 13

Hecke Eigenvalues for elliptic curve 7917d1

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

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Quadratic twists for elliptic curve 7917d1

-4	-3	-7	13
126672bk1	23751a1	55419d1	102921n1

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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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