Properties

Label 2548.109
Modulus $2548$
Conductor $637$
Order $84$
Real no
Primitive no
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2548, base_ring=CyclotomicField(84))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,80,63]))
 
pari: [g,chi] = znchar(Mod(109,2548))
 

Basic properties

Modulus: \(2548\)
Conductor: \(637\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(84\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{637}(109,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2548.ej

\(\chi_{2548}(109,\cdot)\) \(\chi_{2548}(317,\cdot)\) \(\chi_{2548}(333,\cdot)\) \(\chi_{2548}(473,\cdot)\) \(\chi_{2548}(541,\cdot)\) \(\chi_{2548}(681,\cdot)\) \(\chi_{2548}(697,\cdot)\) \(\chi_{2548}(837,\cdot)\) \(\chi_{2548}(905,\cdot)\) \(\chi_{2548}(1045,\cdot)\) \(\chi_{2548}(1061,\cdot)\) \(\chi_{2548}(1201,\cdot)\) \(\chi_{2548}(1269,\cdot)\) \(\chi_{2548}(1409,\cdot)\) \(\chi_{2548}(1425,\cdot)\) \(\chi_{2548}(1565,\cdot)\) \(\chi_{2548}(1633,\cdot)\) \(\chi_{2548}(1773,\cdot)\) \(\chi_{2548}(1789,\cdot)\) \(\chi_{2548}(1997,\cdot)\) \(\chi_{2548}(2153,\cdot)\) \(\chi_{2548}(2293,\cdot)\) \(\chi_{2548}(2361,\cdot)\) \(\chi_{2548}(2501,\cdot)\)

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: $\Q(\zeta_{84})$
Fixed field: Number field defined by a degree 84 polynomial

Values on generators

\((1275,885,197)\) → \((1,e\left(\frac{20}{21}\right),-i)\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(9\)\(11\)\(15\)\(17\)\(19\)\(23\)\(25\)\(27\)
\( \chi_{ 2548 }(109, a) \) \(-1\)\(1\)\(e\left(\frac{20}{21}\right)\)\(e\left(\frac{31}{84}\right)\)\(e\left(\frac{19}{21}\right)\)\(e\left(\frac{29}{84}\right)\)\(e\left(\frac{9}{28}\right)\)\(e\left(\frac{13}{42}\right)\)\(e\left(\frac{1}{12}\right)\)\(e\left(\frac{29}{42}\right)\)\(e\left(\frac{31}{42}\right)\)\(e\left(\frac{6}{7}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2548 }(109,a) \;\) at \(\;a = \) e.g. 2