Properties

Label 3136.81
Modulus $3136$
Conductor $784$
Order $84$
Real no
Primitive no
Minimal no
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3136, base_ring=CyclotomicField(84))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,63,8]))
 
pari: [g,chi] = znchar(Mod(81,3136))
 

Basic properties

Modulus: \(3136\)
Conductor: \(784\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(84\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{784}(669,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 3136.cn

\(\chi_{3136}(81,\cdot)\) \(\chi_{3136}(305,\cdot)\) \(\chi_{3136}(401,\cdot)\) \(\chi_{3136}(529,\cdot)\) \(\chi_{3136}(625,\cdot)\) \(\chi_{3136}(849,\cdot)\) \(\chi_{3136}(977,\cdot)\) \(\chi_{3136}(1073,\cdot)\) \(\chi_{3136}(1201,\cdot)\) \(\chi_{3136}(1297,\cdot)\) \(\chi_{3136}(1425,\cdot)\) \(\chi_{3136}(1521,\cdot)\) \(\chi_{3136}(1649,\cdot)\) \(\chi_{3136}(1873,\cdot)\) \(\chi_{3136}(1969,\cdot)\) \(\chi_{3136}(2097,\cdot)\) \(\chi_{3136}(2193,\cdot)\) \(\chi_{3136}(2417,\cdot)\) \(\chi_{3136}(2545,\cdot)\) \(\chi_{3136}(2641,\cdot)\) \(\chi_{3136}(2769,\cdot)\) \(\chi_{3136}(2865,\cdot)\) \(\chi_{3136}(2993,\cdot)\) \(\chi_{3136}(3089,\cdot)\)

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

\((1471,197,1473)\) → \((1,-i,e\left(\frac{2}{21}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(23\)\(25\)
\( \chi_{ 3136 }(81, a) \) \(1\)\(1\)\(e\left(\frac{29}{84}\right)\)\(e\left(\frac{43}{84}\right)\)\(e\left(\frac{29}{42}\right)\)\(e\left(\frac{47}{84}\right)\)\(e\left(\frac{11}{28}\right)\)\(e\left(\frac{6}{7}\right)\)\(e\left(\frac{8}{21}\right)\)\(e\left(\frac{7}{12}\right)\)\(e\left(\frac{5}{42}\right)\)\(e\left(\frac{1}{42}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 3136 }(81,a) \;\) at \(\;a = \) e.g. 2