Cremona's table of elliptic curves

6916 = 2² · 7 · 13 · 19

Field	Data	Notes
Atkin-Lehner	2- 7+ 13+ 19-	Signs for the Atkin-Lehner involutions
Class	6916b	Isogeny class
Conductor	6916	Conductor
∏ cp	6	Product of Tamagawa factors cp
deg	3312	Modular degree for the optimal curve
Δ	-464948848 = -1 · 24 · 76 · 13 · 19	Discriminant
Eigenvalues	2-  0 -4 7+ -2 13+ -1 19-	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-257,-1895]	[a1,a2,a3,a4,a6]
Generators	[51:343:1]	Generators of the group modulo torsion
j	-117328386816/29059303	j-invariant
L	2.5536796685742	L(r)(E,1)/r!
Ω	0.58851425698988	Real period
R	0.72319960483646	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	27664p1 110656g1 62244m1 48412m1	Quadratic twists by: -4 8 -3 -7

Hecke Eigenvalues for elliptic curve 6916b1

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
-	0	-4	+	-2	+	-1	-	7	8	3	7	1	3	-8	-12	9	-7	9	8	2	-16	-12	6	7

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Quadratic twists for elliptic curve 6916b1

-4	8	-3	-7	13
27664p1	110656g1	62244m1	48412m1	89908g1

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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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