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
Conductor	990	Conductor
Count	6	Number of curves in isogeny class
Curves	990e1 990e2 990e3 990e4 990e5 990e6	Curves in isogeny class
deg	256	Modular degree for the optimal curve
Eigenvalues	2+ 3- 5+  0 11- -2 -2 -4	Hecke eigenvalues for primes less than 20
L	1.7973283848963	L(r)(E,1)/r!
r	1	Rank of the group of rational points
Twists	7920z 31680bd 330b 4950bi	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for isogeny class 990e

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
+	-	+	0	-	-2	-2	-4	0	2	0	-2	-2	-12	-8	-6	12	6	4	0	-6	-16	-4	-10	2

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Quadratic twists for isogeny class 990e

-4	8	-3	5	-7	-11
7920z	31680bd	330b	4950bi	48510br	10890bn

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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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