Cremona's table of elliptic curves

660 = 2² · 3 · 5 · 11

Field	Data	Notes
Atkin-Lehner	2- 3+ 5+ 11+	Signs for the Atkin-Lehner involutions
Class	660a	Isogeny class
Conductor	660	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	2323200 = 28 · 3 · 52 · 112	Discriminant
Eigenvalues	2- 3+ 5+ -2 11+  2  8 -2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-396,-2904]	[a1,a2,a3,a4,a6]
j	26894628304/9075	j-invariant
L	1.0700232125826	L(r)(E,1)/r!
Ω	1.0700232125826	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	2640t2 10560bd2 1980e2 3300k2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 660a2

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
-	+	+	-2	+	2	8	-2	8	0	0	2	0	6	8	6	-4	10	-12	8	10	-14	4	10	-18

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Quadratic twists for elliptic curve 660a2

-4	8	-3	5	-7	-11	13
2640t2	10560bd2	1980e2	3300k2	32340bl2	7260b2	111540u2

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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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