Cremona's table of elliptic curves

16905 = 3 · 5 · 7² · 23

Field	Data	Notes
Atkin-Lehner	3+ 5+ 7- 23-	Signs for the Atkin-Lehner involutions
Class	16905g	Isogeny class
Conductor	16905	Conductor
∏ cp	2	Product of Tamagawa factors cp
deg	3744	Modular degree for the optimal curve
Δ	-11410875 = -1 · 34 · 53 · 72 · 23	Discriminant
Eigenvalues	0 3+ 5+ 7-  4  0 -2  0	Hecke eigenvalues for primes up to 20
Equation	[0,-1,1,-261,1721]	[a1,a2,a3,a4,a6]
Generators	[9:4:1]	Generators of the group modulo torsion
j	-40282095616/232875	j-invariant
L	3.1258991960425	L(r)(E,1)/r!
Ω	2.2793208322314	Real period
R	0.68570846890876	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	50715bm1 84525bs1 16905x1	Quadratic twists by: -3 5 -7

Hecke Eigenvalues for elliptic curve 16905g1

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	+	+	-	4	0	-2	0	-	-9	3	9	3	3	-8	-10	-12	-4	7	0	2	8	-1	2	1

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Quadratic twists for elliptic curve 16905g1

-3	5	-7
50715bm1	84525bs1	16905x1

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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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