Properties

Label 3150.961
Modulus $3150$
Conductor $1575$
Order $15$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3150, base_ring=CyclotomicField(30))
 
M = H._module
 
chi = DirichletCharacter(H, M([20,24,10]))
 
pari: [g,chi] = znchar(Mod(961,3150))
 

Basic properties

Modulus: \(3150\)
Conductor: \(1575\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(15\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{1575}(961,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 3150.cq

\(\chi_{3150}(331,\cdot)\) \(\chi_{3150}(571,\cdot)\) \(\chi_{3150}(961,\cdot)\) \(\chi_{3150}(1591,\cdot)\) \(\chi_{3150}(1831,\cdot)\) \(\chi_{3150}(2221,\cdot)\) \(\chi_{3150}(2461,\cdot)\) \(\chi_{3150}(3091,\cdot)\)

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: \(\Q(\zeta_{15})\)
Fixed field: Number field defined by a degree 15 polynomial

Values on generators

\((2801,127,451)\) → \((e\left(\frac{2}{3}\right),e\left(\frac{4}{5}\right),e\left(\frac{1}{3}\right))\)

First values

\(a\) \(-1\)\(1\)\(11\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)\(43\)
\( \chi_{ 3150 }(961, a) \) \(1\)\(1\)\(e\left(\frac{4}{5}\right)\)\(e\left(\frac{8}{15}\right)\)\(e\left(\frac{11}{15}\right)\)\(e\left(\frac{1}{15}\right)\)\(e\left(\frac{4}{5}\right)\)\(e\left(\frac{4}{15}\right)\)\(e\left(\frac{1}{15}\right)\)\(e\left(\frac{13}{15}\right)\)\(e\left(\frac{8}{15}\right)\)\(e\left(\frac{2}{3}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 3150 }(961,a) \;\) at \(\;a = \) e.g. 2