Cremona's table of elliptic curves

13916 = 2² · 7² · 71

Field	Data	Notes
Atkin-Lehner	2- 7+ 71+	Signs for the Atkin-Lehner involutions
Class	13916c	Isogeny class
Conductor	13916	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	39312	Modular degree for the optimal curve
Δ	464965789456 = 24 · 78 · 712	Discriminant
Eigenvalues	2- -3  3 7+  3  6 -7  3	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-2401,31213]	[a1,a2,a3,a4,a6]
j	16595712/5041	j-invariant
L	1.7354669204223	L(r)(E,1)/r!
Ω	0.86773346021113	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	55664i1 125244m1 13916g1	Quadratic twists by: -4 -3 -7

Hecke Eigenvalues for elliptic curve 13916c1

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
-	-3	3	+	3	6	-7	3	1	-6	3	-9	2	4	-3	-11	7	-7	15	+	15	7	16	3	2

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Quadratic twists for elliptic curve 13916c1

-4	-3	-7
55664i1	125244m1	13916g1

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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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