Properties

Label 7938.47
Modulus $7938$
Conductor $3969$
Order $378$
Real no
Primitive no
Minimal yes
Parity even

Related objects

Downloads

Learn more

Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(7938, base_ring=CyclotomicField(378))
 
M = H._module
 
chi = DirichletCharacter(H, M([49,45]))
 
pari: [g,chi] = znchar(Mod(47,7938))
 

Basic properties

Modulus: \(7938\)
Conductor: \(3969\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(378\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{3969}(47,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 7938.dd

\(\chi_{7938}(47,\cdot)\) \(\chi_{7938}(59,\cdot)\) \(\chi_{7938}(173,\cdot)\) \(\chi_{7938}(185,\cdot)\) \(\chi_{7938}(299,\cdot)\) \(\chi_{7938}(311,\cdot)\) \(\chi_{7938}(425,\cdot)\) \(\chi_{7938}(437,\cdot)\) \(\chi_{7938}(551,\cdot)\) \(\chi_{7938}(563,\cdot)\) \(\chi_{7938}(677,\cdot)\) \(\chi_{7938}(689,\cdot)\) \(\chi_{7938}(929,\cdot)\) \(\chi_{7938}(941,\cdot)\) \(\chi_{7938}(1055,\cdot)\) \(\chi_{7938}(1067,\cdot)\) \(\chi_{7938}(1181,\cdot)\) \(\chi_{7938}(1193,\cdot)\) \(\chi_{7938}(1307,\cdot)\) \(\chi_{7938}(1319,\cdot)\) \(\chi_{7938}(1433,\cdot)\) \(\chi_{7938}(1445,\cdot)\) \(\chi_{7938}(1559,\cdot)\) \(\chi_{7938}(1571,\cdot)\) \(\chi_{7938}(1811,\cdot)\) \(\chi_{7938}(1823,\cdot)\) \(\chi_{7938}(1937,\cdot)\) \(\chi_{7938}(1949,\cdot)\) \(\chi_{7938}(2063,\cdot)\) \(\chi_{7938}(2075,\cdot)\) ...

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: $\Q(\zeta_{189})$
Fixed field: Number field defined by a degree 378 polynomial (not computed)

Values on generators

\((6077,3727)\) → \((e\left(\frac{7}{54}\right),e\left(\frac{5}{42}\right))\)

First values

\(a\) \(-1\)\(1\)\(5\)\(11\)\(13\)\(17\)\(19\)\(23\)\(25\)\(29\)\(31\)\(37\)
\( \chi_{ 7938 }(47, a) \) \(1\)\(1\)\(e\left(\frac{82}{189}\right)\)\(e\left(\frac{169}{378}\right)\)\(e\left(\frac{365}{378}\right)\)\(e\left(\frac{16}{63}\right)\)\(e\left(\frac{7}{18}\right)\)\(e\left(\frac{359}{378}\right)\)\(e\left(\frac{164}{189}\right)\)\(e\left(\frac{355}{378}\right)\)\(e\left(\frac{23}{54}\right)\)\(e\left(\frac{16}{63}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 7938 }(47,a) \;\) at \(\;a = \) e.g. 2