Properties

Label 1408.95
Modulus $1408$
Conductor $176$
Order $20$
Real no
Primitive no
Minimal no
Parity even

Related objects

Downloads

Learn more

Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1408, base_ring=CyclotomicField(20))
 
M = H._module
 
chi = DirichletCharacter(H, M([10,15,14]))
 
pari: [g,chi] = znchar(Mod(95,1408))
 

Basic properties

Modulus: \(1408\)
Conductor: \(176\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(20\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{176}(51,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1408.bf

\(\chi_{1408}(95,\cdot)\) \(\chi_{1408}(415,\cdot)\) \(\chi_{1408}(479,\cdot)\) \(\chi_{1408}(607,\cdot)\) \(\chi_{1408}(799,\cdot)\) \(\chi_{1408}(1119,\cdot)\) \(\chi_{1408}(1183,\cdot)\) \(\chi_{1408}(1311,\cdot)\)

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: \(\Q(\zeta_{20})\)
Fixed field: 20.20.200317132330035063121671003054276608.1

Values on generators

\((639,133,1025)\) → \((-1,-i,e\left(\frac{7}{10}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(13\)\(15\)\(17\)\(19\)\(21\)\(23\)
\( \chi_{ 1408 }(95, a) \) \(1\)\(1\)\(e\left(\frac{7}{20}\right)\)\(e\left(\frac{11}{20}\right)\)\(e\left(\frac{9}{10}\right)\)\(e\left(\frac{7}{10}\right)\)\(e\left(\frac{19}{20}\right)\)\(e\left(\frac{9}{10}\right)\)\(e\left(\frac{3}{10}\right)\)\(e\left(\frac{17}{20}\right)\)\(i\)\(1\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1408 }(95,a) \;\) at \(\;a = \) e.g. 2