Properties

Label 1850.139
Modulus $1850$
Conductor $925$
Order $90$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1850, base_ring=CyclotomicField(90))
 
M = H._module
 
chi = DirichletCharacter(H, M([27,85]))
 
pari: [g,chi] = znchar(Mod(139,1850))
 

Basic properties

Modulus: \(1850\)
Conductor: \(925\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(90\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{925}(139,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1850.cb

\(\chi_{1850}(139,\cdot)\) \(\chi_{1850}(169,\cdot)\) \(\chi_{1850}(189,\cdot)\) \(\chi_{1850}(289,\cdot)\) \(\chi_{1850}(469,\cdot)\) \(\chi_{1850}(509,\cdot)\) \(\chi_{1850}(539,\cdot)\) \(\chi_{1850}(559,\cdot)\) \(\chi_{1850}(659,\cdot)\) \(\chi_{1850}(669,\cdot)\) \(\chi_{1850}(839,\cdot)\) \(\chi_{1850}(879,\cdot)\) \(\chi_{1850}(909,\cdot)\) \(\chi_{1850}(929,\cdot)\) \(\chi_{1850}(1029,\cdot)\) \(\chi_{1850}(1039,\cdot)\) \(\chi_{1850}(1209,\cdot)\) \(\chi_{1850}(1279,\cdot)\) \(\chi_{1850}(1409,\cdot)\) \(\chi_{1850}(1579,\cdot)\) \(\chi_{1850}(1619,\cdot)\) \(\chi_{1850}(1669,\cdot)\) \(\chi_{1850}(1769,\cdot)\) \(\chi_{1850}(1779,\cdot)\)

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: Number field defined by a degree 90 polynomial

Values on generators

\((1777,1001)\) → \((e\left(\frac{3}{10}\right),e\left(\frac{17}{18}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(19\)\(21\)\(23\)\(27\)
\( \chi_{ 1850 }(139, a) \) \(1\)\(1\)\(e\left(\frac{59}{90}\right)\)\(e\left(\frac{13}{18}\right)\)\(e\left(\frac{14}{45}\right)\)\(e\left(\frac{2}{15}\right)\)\(e\left(\frac{4}{45}\right)\)\(e\left(\frac{23}{45}\right)\)\(e\left(\frac{41}{90}\right)\)\(e\left(\frac{17}{45}\right)\)\(e\left(\frac{7}{15}\right)\)\(e\left(\frac{29}{30}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1850 }(139,a) \;\) at \(\;a = \) e.g. 2