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	990c1 990c2 990c3 990c4 990c5 990c6	Curves in isogeny class
deg	1536	Modular degree for the optimal curve
Eigenvalues	2+ 3- 5+  0 11+  6 -2 -4	Hecke eigenvalues for primes less than 20
L	1.057461402067	L(r)(E,1)/r!
r	0	Rank of the group of rational points
Twists	7920bc 31680bu 330c 4950be	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for isogeny class 990c

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	+	6	-2	-4	0	10	0	6	-2	4	8	10	4	-2	-4	8	2	-8	12	6	18

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Quadratic twists for isogeny class 990c

-4	8	-3	5	-7	-11
7920bc	31680bu	330c	4950be	48510bn	10890bo

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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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