Properties

Label 7938.127
Modulus $7938$
Conductor $1323$
Order $63$
Real no
Primitive no
Minimal no
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(7938, base_ring=CyclotomicField(126))
 
M = H._module
 
chi = DirichletCharacter(H, M([28,54]))
 
pari: [g,chi] = znchar(Mod(127,7938))
 

Basic properties

Modulus: \(7938\)
Conductor: \(1323\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(63\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{1323}(421,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 7938.co

\(\chi_{7938}(127,\cdot)\) \(\chi_{7938}(253,\cdot)\) \(\chi_{7938}(505,\cdot)\) \(\chi_{7938}(631,\cdot)\) \(\chi_{7938}(1009,\cdot)\) \(\chi_{7938}(1261,\cdot)\) \(\chi_{7938}(1387,\cdot)\) \(\chi_{7938}(1639,\cdot)\) \(\chi_{7938}(2017,\cdot)\) \(\chi_{7938}(2143,\cdot)\) \(\chi_{7938}(2395,\cdot)\) \(\chi_{7938}(2521,\cdot)\) \(\chi_{7938}(2773,\cdot)\) \(\chi_{7938}(2899,\cdot)\) \(\chi_{7938}(3151,\cdot)\) \(\chi_{7938}(3277,\cdot)\) \(\chi_{7938}(3655,\cdot)\) \(\chi_{7938}(3907,\cdot)\) \(\chi_{7938}(4033,\cdot)\) \(\chi_{7938}(4285,\cdot)\) \(\chi_{7938}(4663,\cdot)\) \(\chi_{7938}(4789,\cdot)\) \(\chi_{7938}(5041,\cdot)\) \(\chi_{7938}(5167,\cdot)\) \(\chi_{7938}(5419,\cdot)\) \(\chi_{7938}(5545,\cdot)\) \(\chi_{7938}(5797,\cdot)\) \(\chi_{7938}(5923,\cdot)\) \(\chi_{7938}(6301,\cdot)\) \(\chi_{7938}(6553,\cdot)\) ...

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: $\Q(\zeta_{63})$
Fixed field: Number field defined by a degree 63 polynomial

Values on generators

\((6077,3727)\) → \((e\left(\frac{2}{9}\right),e\left(\frac{3}{7}\right))\)

First values

\(a\) \(-1\)\(1\)\(5\)\(11\)\(13\)\(17\)\(19\)\(23\)\(25\)\(29\)\(31\)\(37\)
\( \chi_{ 7938 }(127, a) \) \(1\)\(1\)\(e\left(\frac{34}{63}\right)\)\(e\left(\frac{2}{63}\right)\)\(e\left(\frac{58}{63}\right)\)\(e\left(\frac{1}{21}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{46}{63}\right)\)\(e\left(\frac{5}{63}\right)\)\(e\left(\frac{59}{63}\right)\)\(e\left(\frac{4}{9}\right)\)\(e\left(\frac{1}{21}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 7938 }(127,a) \;\) at \(\;a = \) e.g. 2