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	16905p	Isogeny class
Conductor	16905	Conductor
∏ cp	32	Product of Tamagawa factors cp
Δ	686155439025 = 32 · 52 · 78 · 232	Discriminant
Eigenvalues	1 3+ 5- 7- -4 -2 -6  4	Hecke eigenvalues for primes up to 20
Equation	[1,1,0,-13157,-585024]	[a1,a2,a3,a4,a6]
j	2141202151369/5832225	j-invariant
L	0.89167611303554	L(r)(E,1)/r!
Ω	0.44583805651777	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	50715s2 84525ca2 2415e2	Quadratic twists by: -3 5 -7

Hecke Eigenvalues for elliptic curve 16905p2

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
1	+	-	-	-4	-2	-6	4	-	6	-8	6	-6	4	0	-10	0	-10	-12	-8	-14	4	0	-6	-2

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Quadratic twists for elliptic curve 16905p2

-3	5	-7
50715s2	84525ca2	2415e2

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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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