Cremona's table of elliptic curves

990 = 2 · 3² · 5 · 11

Field	Data	Notes
Atkin-Lehner	2- 3- 5- 11+	Signs for the Atkin-Lehner involutions
Class	990l	Isogeny class
Conductor	990	Conductor
∏ cp	7	Product of Tamagawa factors cp
deg	840	Modular degree for the optimal curve
Δ	-620991360 = -1 · 27 · 36 · 5 · 113	Discriminant
Eigenvalues	2- 3- 5-  5 11+  2 -3 -7	Hecke eigenvalues for primes up to 20
Equation	[1,-1,1,-797,-8539]	[a1,a2,a3,a4,a6]
j	-76711450249/851840	j-invariant
L	3.1431004031589	L(r)(E,1)/r!
Ω	0.44901434330841	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	7920bm1 31680bb1 110c1 4950m1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 990l1

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
-	-	-	5	+	2	-3	-7	6	3	-7	-7	-6	8	-6	3	6	-1	8	-3	2	-10	6	-9	-4

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Quadratic twists for elliptic curve 990l1

-4	8	-3	5	-7	-11
7920bm1	31680bb1	110c1	4950m1	48510cw1	10890bb1

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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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