Cremona's table of elliptic curves

940 = 2² · 5 · 47

Field	Data	Notes
Atkin-Lehner	2- 5+ 47-	Signs for the Atkin-Lehner involutions
Class	940c	Isogeny class
Conductor	940	Conductor
∏ cp	9	Product of Tamagawa factors cp
deg	1080	Modular degree for the optimal curve
Δ	83058400000 = 28 · 55 · 473	Discriminant
Eigenvalues	2-  1 5+ -1  3 -7 -6 -1	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-7076,226340]	[a1,a2,a3,a4,a6]
Generators	[-85:470:1]	Generators of the group modulo torsion
j	153076524671824/324446875	j-invariant
L	2.5466599781236	L(r)(E,1)/r!
Ω	1.082324418794	Real period
R	2.3529543766197	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	3	Number of elements in the torsion subgroup
Twists	3760f1 15040s1 8460i1 4700a1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 940c1

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	-6	-1	0	0	5	2	-6	-10	-	12	-12	5	8	0	-7	8	-15	6	2

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Quadratic twists for elliptic curve 940c1

-4	8	-3	5	-7	-11	-47
3760f1	15040s1	8460i1	4700a1	46060d1	113740d1	44180f1

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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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