Properties

Label 2873.16
Modulus $2873$
Conductor $2873$
Order $78$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2873, base_ring=CyclotomicField(78))
 
M = H._module
 
chi = DirichletCharacter(H, M([2,39]))
 
pari: [g,chi] = znchar(Mod(16,2873))
 

Basic properties

Modulus: \(2873\)
Conductor: \(2873\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(78\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2873.bx

\(\chi_{2873}(16,\cdot)\) \(\chi_{2873}(152,\cdot)\) \(\chi_{2873}(237,\cdot)\) \(\chi_{2873}(373,\cdot)\) \(\chi_{2873}(458,\cdot)\) \(\chi_{2873}(594,\cdot)\) \(\chi_{2873}(679,\cdot)\) \(\chi_{2873}(815,\cdot)\) \(\chi_{2873}(900,\cdot)\) \(\chi_{2873}(1121,\cdot)\) \(\chi_{2873}(1257,\cdot)\) \(\chi_{2873}(1342,\cdot)\) \(\chi_{2873}(1478,\cdot)\) \(\chi_{2873}(1563,\cdot)\) \(\chi_{2873}(1699,\cdot)\) \(\chi_{2873}(1784,\cdot)\) \(\chi_{2873}(1920,\cdot)\) \(\chi_{2873}(2141,\cdot)\) \(\chi_{2873}(2226,\cdot)\) \(\chi_{2873}(2362,\cdot)\) \(\chi_{2873}(2447,\cdot)\) \(\chi_{2873}(2583,\cdot)\) \(\chi_{2873}(2668,\cdot)\) \(\chi_{2873}(2804,\cdot)\)

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: $\Q(\zeta_{39})$
Fixed field: Number field defined by a degree 78 polynomial

Values on generators

\((171,2536)\) → \((e\left(\frac{1}{39}\right),-1)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 2873 }(16, a) \) \(1\)\(1\)\(e\left(\frac{1}{39}\right)\)\(e\left(\frac{53}{78}\right)\)\(e\left(\frac{2}{39}\right)\)\(e\left(\frac{19}{26}\right)\)\(e\left(\frac{55}{78}\right)\)\(e\left(\frac{19}{78}\right)\)\(e\left(\frac{1}{13}\right)\)\(e\left(\frac{14}{39}\right)\)\(e\left(\frac{59}{78}\right)\)\(e\left(\frac{11}{78}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2873 }(16,a) \;\) at \(\;a = \) e.g. 2