Properties

Label 2548.101
Modulus $2548$
Conductor $637$
Order $42$
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(42))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,1,35]))
 
pari: [g,chi] = znchar(Mod(101,2548))
 

Basic properties

Modulus: \(2548\)
Conductor: \(637\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(42\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{637}(101,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2548.dy

\(\chi_{2548}(101,\cdot)\) \(\chi_{2548}(173,\cdot)\) \(\chi_{2548}(465,\cdot)\) \(\chi_{2548}(537,\cdot)\) \(\chi_{2548}(829,\cdot)\) \(\chi_{2548}(1193,\cdot)\) \(\chi_{2548}(1265,\cdot)\) \(\chi_{2548}(1557,\cdot)\) \(\chi_{2548}(1629,\cdot)\) \(\chi_{2548}(1921,\cdot)\) \(\chi_{2548}(1993,\cdot)\) \(\chi_{2548}(2357,\cdot)\)

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: \(\Q(\zeta_{21})\)
Fixed field: 42.0.114965203350994531038495450398055751670047019860392232597668876464355237678877187082182101689404112230899.1

Values on generators

\((1275,885,197)\) → \((1,e\left(\frac{1}{42}\right),e\left(\frac{5}{6}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(9\)\(11\)\(15\)\(17\)\(19\)\(23\)\(25\)\(27\)
\( \chi_{ 2548 }(101, a) \) \(-1\)\(1\)\(e\left(\frac{5}{14}\right)\)\(e\left(\frac{4}{21}\right)\)\(e\left(\frac{5}{7}\right)\)\(e\left(\frac{11}{14}\right)\)\(e\left(\frac{23}{42}\right)\)\(e\left(\frac{11}{42}\right)\)\(1\)\(e\left(\frac{5}{21}\right)\)\(e\left(\frac{8}{21}\right)\)\(e\left(\frac{1}{14}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2548 }(101,a) \;\) at \(\;a = \) e.g. 2