Cremona's table of elliptic curves

15640 = 2³ · 5 · 17 · 23

Field	Data	Notes
Atkin-Lehner	2- 5+ 17+ 23-	Signs for the Atkin-Lehner involutions
Class	15640f	Isogeny class
Conductor	15640	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	3913753600 = 210 · 52 · 172 · 232	Discriminant
Eigenvalues	2-  0 5+  0 -4 -2 17+  0	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-403,798]	[a1,a2,a3,a4,a6]
Generators	[51:336:1]	Generators of the group modulo torsion
j	7068689316/3822025	j-invariant
L	3.6899519412809	L(r)(E,1)/r!
Ω	1.216487696747	Real period
R	3.0332834036449	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	31280a2 125120y2 78200f2	Quadratic twists by: -4 8 5

Hecke Eigenvalues for elliptic curve 15640f2

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

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Quadratic twists for elliptic curve 15640f2

-4	8	5
31280a2	125120y2	78200f2

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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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