Properties

Label 2850.1769
Modulus $2850$
Conductor $1425$
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(2850, base_ring=CyclotomicField(90))
 
M = H._module
 
chi = DirichletCharacter(H, M([45,81,5]))
 
pari: [g,chi] = znchar(Mod(1769,2850))
 

Basic properties

Modulus: \(2850\)
Conductor: \(1425\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(90\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{1425}(344,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2850.cm

\(\chi_{2850}(29,\cdot)\) \(\chi_{2850}(59,\cdot)\) \(\chi_{2850}(89,\cdot)\) \(\chi_{2850}(269,\cdot)\) \(\chi_{2850}(509,\cdot)\) \(\chi_{2850}(629,\cdot)\) \(\chi_{2850}(659,\cdot)\) \(\chi_{2850}(839,\cdot)\) \(\chi_{2850}(869,\cdot)\) \(\chi_{2850}(1079,\cdot)\) \(\chi_{2850}(1169,\cdot)\) \(\chi_{2850}(1229,\cdot)\) \(\chi_{2850}(1409,\cdot)\) \(\chi_{2850}(1439,\cdot)\) \(\chi_{2850}(1739,\cdot)\) \(\chi_{2850}(1769,\cdot)\) \(\chi_{2850}(1979,\cdot)\) \(\chi_{2850}(2009,\cdot)\) \(\chi_{2850}(2219,\cdot)\) \(\chi_{2850}(2309,\cdot)\) \(\chi_{2850}(2339,\cdot)\) \(\chi_{2850}(2369,\cdot)\) \(\chi_{2850}(2579,\cdot)\) \(\chi_{2850}(2789,\cdot)\)

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

\((1901,1027,1351)\) → \((-1,e\left(\frac{9}{10}\right),e\left(\frac{1}{18}\right))\)

First values

\(a\) \(-1\)\(1\)\(7\)\(11\)\(13\)\(17\)\(23\)\(29\)\(31\)\(37\)\(41\)\(43\)
\( \chi_{ 2850 }(1769, a) \) \(1\)\(1\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{17}{30}\right)\)\(e\left(\frac{17}{45}\right)\)\(e\left(\frac{34}{45}\right)\)\(e\left(\frac{23}{45}\right)\)\(e\left(\frac{11}{45}\right)\)\(e\left(\frac{1}{30}\right)\)\(e\left(\frac{3}{5}\right)\)\(e\left(\frac{37}{45}\right)\)\(e\left(\frac{7}{18}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2850 }(1769,a) \;\) at \(\;a = \) e.g. 2