Cremona's table of elliptic curves

2208 = 2⁵ · 3 · 23

Field	Data	Notes
Atkin-Lehner	2+ 3+ 23-	Signs for the Atkin-Lehner involutions
Class	2208b	Isogeny class
Conductor	2208	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	58503168 = 212 · 33 · 232	Discriminant
Eigenvalues	2+ 3+  0  2  4  2  0  2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-113,321]	[a1,a2,a3,a4,a6]
j	39304000/14283	j-invariant
L	1.8112537064087	L(r)(E,1)/r!
Ω	1.8112537064087	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	2208j2 4416j1 6624e2 55200cf2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 2208b2

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

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Quadratic twists for elliptic curve 2208b2

-4	8	-3	5	-7	-23
2208j2	4416j1	6624e2	55200cf2	108192w2	50784d2

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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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