Properties

Label 4998.341
Modulus $4998$
Conductor $147$
Order $42$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4998, base_ring=CyclotomicField(42))
 
M = H._module
 
chi = DirichletCharacter(H, M([21,5,0]))
 
pari: [g,chi] = znchar(Mod(341,4998))
 

Basic properties

Modulus: \(4998\)
Conductor: \(147\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(42\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{147}(47,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 4998.cc

\(\chi_{4998}(341,\cdot)\) \(\chi_{4998}(647,\cdot)\) \(\chi_{4998}(1055,\cdot)\) \(\chi_{4998}(1361,\cdot)\) \(\chi_{4998}(1769,\cdot)\) \(\chi_{4998}(2075,\cdot)\) \(\chi_{4998}(2483,\cdot)\) \(\chi_{4998}(2789,\cdot)\) \(\chi_{4998}(3197,\cdot)\) \(\chi_{4998}(3503,\cdot)\) \(\chi_{4998}(3911,\cdot)\) \(\chi_{4998}(4217,\cdot)\)

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: \(\Q(\zeta_{147})^+\)

Values on generators

\((1667,2551,4117)\) → \((-1,e\left(\frac{5}{42}\right),1)\)

First values

\(a\) \(-1\)\(1\)\(5\)\(11\)\(13\)\(19\)\(23\)\(25\)\(29\)\(31\)\(37\)\(41\)
\( \chi_{ 4998 }(341, a) \) \(1\)\(1\)\(e\left(\frac{20}{21}\right)\)\(e\left(\frac{11}{42}\right)\)\(e\left(\frac{13}{14}\right)\)\(e\left(\frac{1}{6}\right)\)\(e\left(\frac{1}{42}\right)\)\(e\left(\frac{19}{21}\right)\)\(e\left(\frac{9}{14}\right)\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{17}{21}\right)\)\(e\left(\frac{2}{7}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4998 }(341,a) \;\) at \(\;a = \) e.g. 2