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	1	Product of Tamagawa factors cp
Δ	367187500000000 = 28 · 515 · 47	Discriminant
Eigenvalues	2-  1 5+ -1  3 -7 -6 -1	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-31516,-1956716]	[a1,a2,a3,a4,a6]
Generators	[-3183:9890:27]	Generators of the group modulo torsion
j	13523552840818384/1434326171875	j-invariant
L	2.5466599781236	L(r)(E,1)/r!
Ω	0.36077480626466	Real period
R	7.058863129859	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	3760f2 15040s2 8460i2 4700a2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 940c2

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 940c2

-4	8	-3	5	-7	-11	-47
3760f2	15040s2	8460i2	4700a2	46060d2	113740d2	44180f2

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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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