Properties

Label 1601.15
Modulus $1601$
Conductor $1601$
Order $320$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1601, base_ring=CyclotomicField(320))
 
M = H._module
 
chi = DirichletCharacter(H, M([209]))
 
pari: [g,chi] = znchar(Mod(15,1601))
 

Basic properties

Modulus: \(1601\)
Conductor: \(1601\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(320\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1601.r

\(\chi_{1601}(12,\cdot)\) \(\chi_{1601}(15,\cdot)\) \(\chi_{1601}(22,\cdot)\) \(\chi_{1601}(34,\cdot)\) \(\chi_{1601}(54,\cdot)\) \(\chi_{1601}(83,\cdot)\) \(\chi_{1601}(93,\cdot)\) \(\chi_{1601}(99,\cdot)\) \(\chi_{1601}(112,\cdot)\) \(\chi_{1601}(114,\cdot)\) \(\chi_{1601}(118,\cdot)\) \(\chi_{1601}(127,\cdot)\) \(\chi_{1601}(140,\cdot)\) \(\chi_{1601}(153,\cdot)\) \(\chi_{1601}(173,\cdot)\) \(\chi_{1601}(209,\cdot)\) \(\chi_{1601}(226,\cdot)\) \(\chi_{1601}(229,\cdot)\) \(\chi_{1601}(230,\cdot)\) \(\chi_{1601}(241,\cdot)\) \(\chi_{1601}(243,\cdot)\) \(\chi_{1601}(271,\cdot)\) \(\chi_{1601}(277,\cdot)\) \(\chi_{1601}(284,\cdot)\) \(\chi_{1601}(293,\cdot)\) \(\chi_{1601}(323,\cdot)\) \(\chi_{1601}(355,\cdot)\) \(\chi_{1601}(367,\cdot)\) \(\chi_{1601}(382,\cdot)\) \(\chi_{1601}(384,\cdot)\) ...

sage: chi.galois_orbit()
 
order = charorder(g,chi)
 
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

Related number fields

Field of values: $\Q(\zeta_{320})$
Fixed field: Number field defined by a degree 320 polynomial (not computed)

Values on generators

\(3\) → \(e\left(\frac{209}{320}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 1601 }(15, a) \) \(-1\)\(1\)\(e\left(\frac{77}{80}\right)\)\(e\left(\frac{209}{320}\right)\)\(e\left(\frac{37}{40}\right)\)\(e\left(\frac{69}{80}\right)\)\(e\left(\frac{197}{320}\right)\)\(e\left(\frac{123}{320}\right)\)\(e\left(\frac{71}{80}\right)\)\(e\left(\frac{49}{160}\right)\)\(e\left(\frac{33}{40}\right)\)\(e\left(\frac{137}{320}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1601 }(15,a) \;\) at \(\;a = \) e.g. 2