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	15870u	Isogeny class
Conductor	15870	Conductor
∏ cp	48	Product of Tamagawa factors cp
Δ	867397787109375000 = 23 · 3 · 512 · 236	Discriminant
Eigenvalues	2+ 3- 5-  4  0  2 -6  4	Hecke eigenvalues for primes up to 20
Equation	[1,0,1,-239913,6135988]	[a1,a2,a3,a4,a6]
j	10316097499609/5859375000	j-invariant
L	2.8984974280679	L(r)(E,1)/r!
Ω	0.24154145233899	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	126960ch8 47610bz8 79350cr8 30a8	Quadratic twists by: -4 -3 5 -23

Hecke Eigenvalues for elliptic curve 15870u7

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

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Quadratic twists for elliptic curve 15870u7

-4	-3	5	-23
126960ch8	47610bz8	79350cr8	30a8

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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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