Properties

Label 1421.18
Modulus $1421$
Conductor $203$
Order $84$
Real no
Primitive no
Minimal no
Parity odd

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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([56,33]))
 
pari: [g,chi] = znchar(Mod(18,1421))
 

Basic properties

Modulus: \(1421\)
Conductor: \(203\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(84\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{203}(18,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1421.dr

\(\chi_{1421}(18,\cdot)\) \(\chi_{1421}(79,\cdot)\) \(\chi_{1421}(177,\cdot)\) \(\chi_{1421}(214,\cdot)\) \(\chi_{1421}(263,\cdot)\) \(\chi_{1421}(275,\cdot)\) \(\chi_{1421}(508,\cdot)\) \(\chi_{1421}(520,\cdot)\) \(\chi_{1421}(569,\cdot)\) \(\chi_{1421}(606,\cdot)\) \(\chi_{1421}(704,\cdot)\) \(\chi_{1421}(765,\cdot)\) \(\chi_{1421}(802,\cdot)\) \(\chi_{1421}(814,\cdot)\) \(\chi_{1421}(851,\cdot)\) \(\chi_{1421}(949,\cdot)\) \(\chi_{1421}(1047,\cdot)\) \(\chi_{1421}(1059,\cdot)\) \(\chi_{1421}(1145,\cdot)\) \(\chi_{1421}(1157,\cdot)\) \(\chi_{1421}(1255,\cdot)\) \(\chi_{1421}(1353,\cdot)\) \(\chi_{1421}(1390,\cdot)\) \(\chi_{1421}(1402,\cdot)\)

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

\((1277,785)\) → \((e\left(\frac{2}{3}\right),e\left(\frac{11}{28}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(8\)\(9\)\(10\)\(11\)\(12\)
\( \chi_{ 1421 }(18, a) \) \(-1\)\(1\)\(e\left(\frac{61}{84}\right)\)\(e\left(\frac{53}{84}\right)\)\(e\left(\frac{19}{42}\right)\)\(e\left(\frac{41}{42}\right)\)\(e\left(\frac{5}{14}\right)\)\(e\left(\frac{5}{28}\right)\)\(e\left(\frac{11}{42}\right)\)\(e\left(\frac{59}{84}\right)\)\(e\left(\frac{41}{84}\right)\)\(e\left(\frac{1}{12}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1421 }(18,a) \;\) at \(\;a = \) e.g. 2