Cremona's table of elliptic curves

2139 = 3 · 23 · 31

Field	Data	Notes
Atkin-Lehner	3- 23+ 31+	Signs for the Atkin-Lehner involutions
Class	2139d	Isogeny class
Conductor	2139	Conductor
∏ cp	3	Product of Tamagawa factors cp
deg	216	Modular degree for the optimal curve
Δ	-19251 = -1 · 33 · 23 · 31	Discriminant
Eigenvalues	2 3-  1  0  2  4 -4  8	Hecke eigenvalues for primes up to 20
Equation	[0,1,1,0,-7]	[a1,a2,a3,a4,a6]
j	-4096/19251	j-invariant
L	5.2585487904105	L(r)(E,1)/r!
Ω	1.7528495968035	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	34224ba1 6417l1 53475f1 104811g1	Quadratic twists by: -4 -3 5 -7

Hecke Eigenvalues for elliptic curve 2139d1

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	-	1	0	2	4	-4	8	+	9	+	3	10	-8	4	6	-14	-14	14	-6	0	-5	-2	-2	6

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Quadratic twists for elliptic curve 2139d1

-4	-3	5	-7	-23	-31
34224ba1	6417l1	53475f1	104811g1	49197l1	66309f1

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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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