Properties

Label 1870.133
Modulus $1870$
Conductor $85$
Order $16$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1870, base_ring=CyclotomicField(16))
 
M = H._module
 
chi = DirichletCharacter(H, M([12,0,9]))
 
pari: [g,chi] = znchar(Mod(133,1870))
 

Basic properties

Modulus: \(1870\)
Conductor: \(85\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(16\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{85}(48,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1870.bl

\(\chi_{1870}(133,\cdot)\) \(\chi_{1870}(177,\cdot)\) \(\chi_{1870}(243,\cdot)\) \(\chi_{1870}(397,\cdot)\) \(\chi_{1870}(573,\cdot)\) \(\chi_{1870}(683,\cdot)\) \(\chi_{1870}(1167,\cdot)\) \(\chi_{1870}(1387,\cdot)\)

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: \(\Q(\zeta_{16})\)
Fixed field: 16.16.698833752810013621337890625.2

Values on generators

\((1497,1531,1431)\) → \((-i,1,e\left(\frac{9}{16}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(13\)\(19\)\(21\)\(23\)\(27\)\(29\)\(31\)
\( \chi_{ 1870 }(133, a) \) \(1\)\(1\)\(e\left(\frac{13}{16}\right)\)\(e\left(\frac{15}{16}\right)\)\(e\left(\frac{5}{8}\right)\)\(-1\)\(e\left(\frac{3}{8}\right)\)\(-i\)\(e\left(\frac{11}{16}\right)\)\(e\left(\frac{7}{16}\right)\)\(e\left(\frac{13}{16}\right)\)\(e\left(\frac{1}{16}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1870 }(133,a) \;\) at \(\;a = \) e.g. 2