Properties

Label 1045.631
Modulus $1045$
Conductor $209$
Order $45$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1045, base_ring=CyclotomicField(90))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,18,10]))
 
pari: [g,chi] = znchar(Mod(631,1045))
 

Basic properties

Modulus: \(1045\)
Conductor: \(209\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(45\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{209}(4,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1045.ce

\(\chi_{1045}(16,\cdot)\) \(\chi_{1045}(36,\cdot)\) \(\chi_{1045}(81,\cdot)\) \(\chi_{1045}(196,\cdot)\) \(\chi_{1045}(251,\cdot)\) \(\chi_{1045}(256,\cdot)\) \(\chi_{1045}(291,\cdot)\) \(\chi_{1045}(301,\cdot)\) \(\chi_{1045}(346,\cdot)\) \(\chi_{1045}(366,\cdot)\) \(\chi_{1045}(416,\cdot)\) \(\chi_{1045}(511,\cdot)\) \(\chi_{1045}(576,\cdot)\) \(\chi_{1045}(586,\cdot)\) \(\chi_{1045}(631,\cdot)\) \(\chi_{1045}(636,\cdot)\) \(\chi_{1045}(731,\cdot)\) \(\chi_{1045}(746,\cdot)\) \(\chi_{1045}(796,\cdot)\) \(\chi_{1045}(841,\cdot)\) \(\chi_{1045}(861,\cdot)\) \(\chi_{1045}(916,\cdot)\) \(\chi_{1045}(966,\cdot)\) \(\chi_{1045}(1016,\cdot)\)

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: $\Q(\zeta_{45})$
Fixed field: 45.45.43679806300610465846484971330073185012597520004657724600953543350870941304329239684756561.1

Values on generators

\((837,761,496)\) → \((1,e\left(\frac{1}{5}\right),e\left(\frac{1}{9}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(12\)\(13\)\(14\)
\( \chi_{ 1045 }(631, a) \) \(1\)\(1\)\(e\left(\frac{14}{45}\right)\)\(e\left(\frac{2}{45}\right)\)\(e\left(\frac{28}{45}\right)\)\(e\left(\frac{16}{45}\right)\)\(e\left(\frac{1}{15}\right)\)\(e\left(\frac{14}{15}\right)\)\(e\left(\frac{4}{45}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{34}{45}\right)\)\(e\left(\frac{17}{45}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1045 }(631,a) \;\) at \(\;a = \) e.g. 2