Cremona's table of elliptic curves

15870 = 2 · 3 · 5 · 23²

Field	Data	Notes
Atkin-Lehner	2+ 3- 5- 23-	Signs for the Atkin-Lehner involutions
Class	15870o	Isogeny class
Conductor	15870	Conductor
∏ cp	36	Product of Tamagawa factors cp
deg	238464	Modular degree for the optimal curve
Δ	389048974876008000 = 26 · 33 · 53 · 239	Discriminant
Eigenvalues	2+ 3- 5-  0  0  4  0  6	Hecke eigenvalues for primes up to 20
Equation	[1,0,1,-887938,320573588]	[a1,a2,a3,a4,a6]
j	42985344527/216000	j-invariant
L	2.7180854715819	L(r)(E,1)/r!
Ω	0.30200949684243	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	126960bp1 47610bp1 79350by1 15870i1	Quadratic twists by: -4 -3 5 -23

Hecke Eigenvalues for elliptic curve 15870o1

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	0	4	0	6	-	0	4	6	6	0	0	6	0	-6	12	-6	-2	12	-6	-6	-6

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Quadratic twists for elliptic curve 15870o1

-4	-3	5	-23
126960bp1	47610bp1	79350by1	15870i1

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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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