Properties

Label 1408.813
Modulus $1408$
Conductor $1408$
Order $32$
Real no
Primitive yes
Minimal yes
Parity odd

Related objects

Downloads

Learn more

Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1408, base_ring=CyclotomicField(32))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,7,16]))
 
pari: [g,chi] = znchar(Mod(813,1408))
 

Basic properties

Modulus: \(1408\)
Conductor: \(1408\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(32\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1408.bj

\(\chi_{1408}(21,\cdot)\) \(\chi_{1408}(109,\cdot)\) \(\chi_{1408}(197,\cdot)\) \(\chi_{1408}(285,\cdot)\) \(\chi_{1408}(373,\cdot)\) \(\chi_{1408}(461,\cdot)\) \(\chi_{1408}(549,\cdot)\) \(\chi_{1408}(637,\cdot)\) \(\chi_{1408}(725,\cdot)\) \(\chi_{1408}(813,\cdot)\) \(\chi_{1408}(901,\cdot)\) \(\chi_{1408}(989,\cdot)\) \(\chi_{1408}(1077,\cdot)\) \(\chi_{1408}(1165,\cdot)\) \(\chi_{1408}(1253,\cdot)\) \(\chi_{1408}(1341,\cdot)\)

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: \(\Q(\zeta_{32})\)
Fixed field: 32.0.144215564533589000876246801170130951941346253827716612240069988132090544128.1

Values on generators

\((639,133,1025)\) → \((1,e\left(\frac{7}{32}\right),-1)\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(13\)\(15\)\(17\)\(19\)\(21\)\(23\)
\( \chi_{ 1408 }(813, a) \) \(-1\)\(1\)\(e\left(\frac{21}{32}\right)\)\(e\left(\frac{7}{32}\right)\)\(e\left(\frac{11}{16}\right)\)\(e\left(\frac{5}{16}\right)\)\(e\left(\frac{25}{32}\right)\)\(e\left(\frac{7}{8}\right)\)\(e\left(\frac{5}{8}\right)\)\(e\left(\frac{17}{32}\right)\)\(e\left(\frac{11}{32}\right)\)\(e\left(\frac{1}{16}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1408 }(813,a) \;\) at \(\;a = \) e.g. 2