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	9940g	Isogeny class
Conductor	9940	Conductor
∏ cp	132	Product of Tamagawa factors cp
deg	183744	Modular degree for the optimal curve
Δ	-2223522087500000000 = -1 · 28 · 511 · 7 · 714	Discriminant
Eigenvalues	2-  1 5- 7- -1  3 -7  2	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-1668885,832366775]	[a1,a2,a3,a4,a6]
Generators	[5905:443750:1]	Generators of the group modulo torsion
j	-2007997837278661574656/8685633154296875	j-invariant
L	5.5766919367952	L(r)(E,1)/r!
Ω	0.26110479847177	Real period
R	0.16180348440594	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	39760u1 89460d1 49700d1 69580j1	Quadratic twists by: -4 -3 5 -7

Hecke Eigenvalues for elliptic curve 9940g1

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	-	-	-1	3	-7	2	-6	-1	-4	10	8	6	1	-8	-12	-8	12	-	-10	13	-4	-12	-11

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Quadratic twists for elliptic curve 9940g1

-4	-3	5	-7
39760u1	89460d1	49700d1	69580j1

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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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