Cremona's table of elliptic curves

220 = 2² · 5 · 11

Field	Data	Notes
Atkin-Lehner	2- 5- 11+	Signs for the Atkin-Lehner involutions
Class	220a	Isogeny class
Conductor	220	Conductor
∏ cp	18	Product of Tamagawa factors cp
Δ	44000000 = 28 · 56 · 11	Discriminant
Eigenvalues	2- -2 5- -4 11+ -4  0 -4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-100,-252]	[a1,a2,a3,a4,a6]
Generators	[-8:10:1]	Generators of the group modulo torsion
j	436334416/171875	j-invariant
L	1.1411181830796	L(r)(E,1)/r!
Ω	1.5602749305259	Real period
R	1.4627142444632	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	6	Number of elements in the torsion subgroup
Twists	880j2 3520g2 1980b2 1100b2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 220a2

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

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Quadratic twists for elliptic curve 220a2

-4	8	-3	5	-7	-11	13	17	-19	-23
880j2	3520g2	1980b2	1100b2	10780f2	2420g2	37180d2	63580d2	79420b2	116380e2

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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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