Properties

Label 1215.164
Modulus $1215$
Conductor $1215$
Order $162$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1215, base_ring=CyclotomicField(162))
 
M = H._module
 
chi = DirichletCharacter(H, M([55,81]))
 
pari: [g,chi] = znchar(Mod(164,1215))
 

Basic properties

Modulus: \(1215\)
Conductor: \(1215\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(162\)
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 1215.bb

\(\chi_{1215}(14,\cdot)\) \(\chi_{1215}(29,\cdot)\) \(\chi_{1215}(59,\cdot)\) \(\chi_{1215}(74,\cdot)\) \(\chi_{1215}(104,\cdot)\) \(\chi_{1215}(119,\cdot)\) \(\chi_{1215}(149,\cdot)\) \(\chi_{1215}(164,\cdot)\) \(\chi_{1215}(194,\cdot)\) \(\chi_{1215}(209,\cdot)\) \(\chi_{1215}(239,\cdot)\) \(\chi_{1215}(254,\cdot)\) \(\chi_{1215}(284,\cdot)\) \(\chi_{1215}(299,\cdot)\) \(\chi_{1215}(329,\cdot)\) \(\chi_{1215}(344,\cdot)\) \(\chi_{1215}(374,\cdot)\) \(\chi_{1215}(389,\cdot)\) \(\chi_{1215}(419,\cdot)\) \(\chi_{1215}(434,\cdot)\) \(\chi_{1215}(464,\cdot)\) \(\chi_{1215}(479,\cdot)\) \(\chi_{1215}(509,\cdot)\) \(\chi_{1215}(524,\cdot)\) \(\chi_{1215}(554,\cdot)\) \(\chi_{1215}(569,\cdot)\) \(\chi_{1215}(599,\cdot)\) \(\chi_{1215}(614,\cdot)\) \(\chi_{1215}(644,\cdot)\) \(\chi_{1215}(659,\cdot)\) ...

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: $\Q(\zeta_{81})$
Fixed field: Number field defined by a degree 162 polynomial (not computed)

Values on generators

\((731,487)\) → \((e\left(\frac{55}{162}\right),-1)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(7\)\(8\)\(11\)\(13\)\(14\)\(16\)\(17\)\(19\)
\( \chi_{ 1215 }(164, a) \) \(-1\)\(1\)\(e\left(\frac{68}{81}\right)\)\(e\left(\frac{55}{81}\right)\)\(e\left(\frac{43}{162}\right)\)\(e\left(\frac{14}{27}\right)\)\(e\left(\frac{13}{162}\right)\)\(e\left(\frac{35}{162}\right)\)\(e\left(\frac{17}{162}\right)\)\(e\left(\frac{29}{81}\right)\)\(e\left(\frac{19}{27}\right)\)\(e\left(\frac{26}{27}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1215 }(164,a) \;\) at \(\;a = \) e.g. 2