Properties

Label 2850.79
Modulus $2850$
Conductor $475$
Order $90$
Real no
Primitive no
Minimal yes
Parity odd

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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([0,9,65]))
 
pari: [g,chi] = znchar(Mod(79,2850))
 

Basic properties

Modulus: \(2850\)
Conductor: \(475\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(90\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{475}(79,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2850.co

\(\chi_{2850}(79,\cdot)\) \(\chi_{2850}(109,\cdot)\) \(\chi_{2850}(319,\cdot)\) \(\chi_{2850}(409,\cdot)\) \(\chi_{2850}(439,\cdot)\) \(\chi_{2850}(469,\cdot)\) \(\chi_{2850}(679,\cdot)\) \(\chi_{2850}(889,\cdot)\) \(\chi_{2850}(979,\cdot)\) \(\chi_{2850}(1009,\cdot)\) \(\chi_{2850}(1039,\cdot)\) \(\chi_{2850}(1219,\cdot)\) \(\chi_{2850}(1459,\cdot)\) \(\chi_{2850}(1579,\cdot)\) \(\chi_{2850}(1609,\cdot)\) \(\chi_{2850}(1789,\cdot)\) \(\chi_{2850}(1819,\cdot)\) \(\chi_{2850}(2029,\cdot)\) \(\chi_{2850}(2119,\cdot)\) \(\chi_{2850}(2179,\cdot)\) \(\chi_{2850}(2359,\cdot)\) \(\chi_{2850}(2389,\cdot)\) \(\chi_{2850}(2689,\cdot)\) \(\chi_{2850}(2719,\cdot)\)

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

\((1901,1027,1351)\) → \((1,e\left(\frac{1}{10}\right),e\left(\frac{13}{18}\right))\)

First values

\(a\) \(-1\)\(1\)\(7\)\(11\)\(13\)\(17\)\(23\)\(29\)\(31\)\(37\)\(41\)\(43\)
\( \chi_{ 2850 }(79, a) \) \(-1\)\(1\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{4}{15}\right)\)\(e\left(\frac{23}{45}\right)\)\(e\left(\frac{47}{90}\right)\)\(e\left(\frac{49}{90}\right)\)\(e\left(\frac{43}{90}\right)\)\(e\left(\frac{19}{30}\right)\)\(e\left(\frac{2}{5}\right)\)\(e\left(\frac{71}{90}\right)\)\(e\left(\frac{1}{18}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2850 }(79,a) \;\) at \(\;a = \) e.g. 2