Properties

Label 1421.971
Modulus $1421$
Conductor $1421$
Order $84$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1421, base_ring=CyclotomicField(84))
 
M = H._module
 
chi = DirichletCharacter(H, M([46,39]))
 
pari: [g,chi] = znchar(Mod(971,1421))
 

Basic properties

Modulus: \(1421\)
Conductor: \(1421\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(84\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1421.dv

\(\chi_{1421}(61,\cdot)\) \(\chi_{1421}(73,\cdot)\) \(\chi_{1421}(222,\cdot)\) \(\chi_{1421}(234,\cdot)\) \(\chi_{1421}(271,\cdot)\) \(\chi_{1421}(292,\cdot)\) \(\chi_{1421}(334,\cdot)\) \(\chi_{1421}(409,\cdot)\) \(\chi_{1421}(598,\cdot)\) \(\chi_{1421}(710,\cdot)\) \(\chi_{1421}(794,\cdot)\) \(\chi_{1421}(936,\cdot)\) \(\chi_{1421}(971,\cdot)\) \(\chi_{1421}(976,\cdot)\) \(\chi_{1421}(1025,\cdot)\) \(\chi_{1421}(1041,\cdot)\) \(\chi_{1421}(1062,\cdot)\) \(\chi_{1421}(1081,\cdot)\) \(\chi_{1421}(1181,\cdot)\) \(\chi_{1421}(1258,\cdot)\) \(\chi_{1421}(1326,\cdot)\) \(\chi_{1421}(1361,\cdot)\) \(\chi_{1421}(1389,\cdot)\) \(\chi_{1421}(1419,\cdot)\)

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: $\Q(\zeta_{84})$
Fixed field: Number field defined by a degree 84 polynomial

Values on generators

\((1277,785)\) → \((e\left(\frac{23}{42}\right),e\left(\frac{13}{28}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(8\)\(9\)\(10\)\(11\)\(12\)
\( \chi_{ 1421 }(971, a) \) \(1\)\(1\)\(e\left(\frac{59}{84}\right)\)\(e\left(\frac{73}{84}\right)\)\(e\left(\frac{17}{42}\right)\)\(e\left(\frac{2}{21}\right)\)\(e\left(\frac{4}{7}\right)\)\(e\left(\frac{3}{28}\right)\)\(e\left(\frac{31}{42}\right)\)\(e\left(\frac{67}{84}\right)\)\(e\left(\frac{43}{84}\right)\)\(e\left(\frac{23}{84}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1421 }(971,a) \;\) at \(\;a = \) e.g. 2