Properties

Label 1215.49
Modulus $1215$
Conductor $1215$
Order $162$
Real no
Primitive yes
Minimal yes
Parity even

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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([140,81]))
 
pari: [g,chi] = znchar(Mod(49,1215))
 

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: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1215.ba

\(\chi_{1215}(4,\cdot)\) \(\chi_{1215}(34,\cdot)\) \(\chi_{1215}(49,\cdot)\) \(\chi_{1215}(79,\cdot)\) \(\chi_{1215}(94,\cdot)\) \(\chi_{1215}(124,\cdot)\) \(\chi_{1215}(139,\cdot)\) \(\chi_{1215}(169,\cdot)\) \(\chi_{1215}(184,\cdot)\) \(\chi_{1215}(214,\cdot)\) \(\chi_{1215}(229,\cdot)\) \(\chi_{1215}(259,\cdot)\) \(\chi_{1215}(274,\cdot)\) \(\chi_{1215}(304,\cdot)\) \(\chi_{1215}(319,\cdot)\) \(\chi_{1215}(349,\cdot)\) \(\chi_{1215}(364,\cdot)\) \(\chi_{1215}(394,\cdot)\) \(\chi_{1215}(409,\cdot)\) \(\chi_{1215}(439,\cdot)\) \(\chi_{1215}(454,\cdot)\) \(\chi_{1215}(484,\cdot)\) \(\chi_{1215}(499,\cdot)\) \(\chi_{1215}(529,\cdot)\) \(\chi_{1215}(544,\cdot)\) \(\chi_{1215}(574,\cdot)\) \(\chi_{1215}(589,\cdot)\) \(\chi_{1215}(619,\cdot)\) \(\chi_{1215}(634,\cdot)\) \(\chi_{1215}(664,\cdot)\) ...

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

\((731,487)\) → \((e\left(\frac{70}{81}\right),-1)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(7\)\(8\)\(11\)\(13\)\(14\)\(16\)\(17\)\(19\)
\( \chi_{ 1215 }(49, a) \) \(1\)\(1\)\(e\left(\frac{59}{162}\right)\)\(e\left(\frac{59}{81}\right)\)\(e\left(\frac{161}{162}\right)\)\(e\left(\frac{5}{54}\right)\)\(e\left(\frac{46}{81}\right)\)\(e\left(\frac{67}{162}\right)\)\(e\left(\frac{29}{81}\right)\)\(e\left(\frac{37}{81}\right)\)\(e\left(\frac{1}{54}\right)\)\(e\left(\frac{22}{27}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1215 }(49,a) \;\) at \(\;a = \) e.g. 2