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	4	Number of curves in isogeny class
Curves	990h1 990h2 990h3 990h4	Curves in isogeny class
deg	1728	Modular degree for the optimal curve
Eigenvalues	2- 3+ 5+ -4 11- -4 -6  2	Hecke eigenvalues for primes less than 20
L	3.0762047385226	L(r)(E,1)/r!
r	1	Rank of the group of rational points
Twists	7920u 31680e 990b 4950d	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for isogeny class 990h

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
-	+	+	-4	-	-4	-6	2	-6	-6	8	2	-6	-10	-6	6	0	8	-4	-6	14	-16	12	0	14

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Quadratic twists for isogeny class 990h

-4	8	-3	5	-7	-11
7920u	31680e	990b	4950d	48510cj	10890e

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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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