Cremona's table of elliptic curves

9940 = 2² · 5 · 7 · 71

Field	Data	Notes
Atkin-Lehner	2- 5- 7+ 71-	Signs for the Atkin-Lehner involutions
Class	9940c	Isogeny class
Conductor	9940	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	2784	Modular degree for the optimal curve
Δ	-45167360 = -1 · 28 · 5 · 7 · 712	Discriminant
Eigenvalues	2- -1 5- 7+  5 -5 -3  8	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-85,-415]	[a1,a2,a3,a4,a6]
j	-268435456/176435	j-invariant
L	1.5258393140959	L(r)(E,1)/r!
Ω	0.76291965704797	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	39760be1 89460c1 49700h1 69580i1	Quadratic twists by: -4 -3 5 -7

Hecke Eigenvalues for elliptic curve 9940c1

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	-	+	5	-5	-3	8	6	-5	4	-4	-8	-4	5	12	6	-10	-2	-	6	-3	-12	-2	-7

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Quadratic twists for elliptic curve 9940c1

-4	-3	5	-7
39760be1	89460c1	49700h1	69580i1

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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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