Properties

Label 2678.5
Modulus $2678$
Conductor $1339$
Order $204$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2678, base_ring=CyclotomicField(204))
 
M = H._module
 
chi = DirichletCharacter(H, M([153,2]))
 
pari: [g,chi] = znchar(Mod(5,2678))
 

Basic properties

Modulus: \(2678\)
Conductor: \(1339\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(204\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{1339}(5,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2678.ch

\(\chi_{2678}(5,\cdot)\) \(\chi_{2678}(21,\cdot)\) \(\chi_{2678}(99,\cdot)\) \(\chi_{2678}(109,\cdot)\) \(\chi_{2678}(151,\cdot)\) \(\chi_{2678}(177,\cdot)\) \(\chi_{2678}(187,\cdot)\) \(\chi_{2678}(281,\cdot)\) \(\chi_{2678}(291,\cdot)\) \(\chi_{2678}(307,\cdot)\) \(\chi_{2678}(395,\cdot)\) \(\chi_{2678}(447,\cdot)\) \(\chi_{2678}(463,\cdot)\) \(\chi_{2678}(489,\cdot)\) \(\chi_{2678}(499,\cdot)\) \(\chi_{2678}(577,\cdot)\) \(\chi_{2678}(593,\cdot)\) \(\chi_{2678}(603,\cdot)\) \(\chi_{2678}(629,\cdot)\) \(\chi_{2678}(671,\cdot)\) \(\chi_{2678}(733,\cdot)\) \(\chi_{2678}(775,\cdot)\) \(\chi_{2678}(889,\cdot)\) \(\chi_{2678}(967,\cdot)\) \(\chi_{2678}(1035,\cdot)\) \(\chi_{2678}(1097,\cdot)\) \(\chi_{2678}(1139,\cdot)\) \(\chi_{2678}(1217,\cdot)\) \(\chi_{2678}(1279,\cdot)\) \(\chi_{2678}(1321,\cdot)\) ...

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: $\Q(\zeta_{204})$
Fixed field: Number field defined by a degree 204 polynomial (not computed)

Values on generators

\((1237,417)\) → \((-i,e\left(\frac{1}{102}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(15\)\(17\)\(19\)\(21\)\(23\)
\( \chi_{ 2678 }(5, a) \) \(1\)\(1\)\(e\left(\frac{13}{34}\right)\)\(e\left(\frac{155}{204}\right)\)\(e\left(\frac{59}{204}\right)\)\(e\left(\frac{13}{17}\right)\)\(e\left(\frac{173}{204}\right)\)\(e\left(\frac{29}{204}\right)\)\(e\left(\frac{19}{102}\right)\)\(e\left(\frac{109}{204}\right)\)\(e\left(\frac{137}{204}\right)\)\(e\left(\frac{25}{34}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2678 }(5,a) \;\) at \(\;a = \) e.g. 2