Properties

Label 810.23
Modulus $810$
Conductor $405$
Order $108$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(810, base_ring=CyclotomicField(108))
 
M = H._module
 
chi = DirichletCharacter(H, M([22,81]))
 
pari: [g,chi] = znchar(Mod(23,810))
 

Basic properties

Modulus: \(810\)
Conductor: \(405\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(108\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{405}(23,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 810.w

\(\chi_{810}(23,\cdot)\) \(\chi_{810}(47,\cdot)\) \(\chi_{810}(77,\cdot)\) \(\chi_{810}(83,\cdot)\) \(\chi_{810}(113,\cdot)\) \(\chi_{810}(137,\cdot)\) \(\chi_{810}(167,\cdot)\) \(\chi_{810}(173,\cdot)\) \(\chi_{810}(203,\cdot)\) \(\chi_{810}(227,\cdot)\) \(\chi_{810}(257,\cdot)\) \(\chi_{810}(263,\cdot)\) \(\chi_{810}(293,\cdot)\) \(\chi_{810}(317,\cdot)\) \(\chi_{810}(347,\cdot)\) \(\chi_{810}(353,\cdot)\) \(\chi_{810}(383,\cdot)\) \(\chi_{810}(407,\cdot)\) \(\chi_{810}(437,\cdot)\) \(\chi_{810}(443,\cdot)\) \(\chi_{810}(473,\cdot)\) \(\chi_{810}(497,\cdot)\) \(\chi_{810}(527,\cdot)\) \(\chi_{810}(533,\cdot)\) \(\chi_{810}(563,\cdot)\) \(\chi_{810}(587,\cdot)\) \(\chi_{810}(617,\cdot)\) \(\chi_{810}(623,\cdot)\) \(\chi_{810}(653,\cdot)\) \(\chi_{810}(677,\cdot)\) ...

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: $\Q(\zeta_{108})$
Fixed field: Number field defined by a degree 108 polynomial (not computed)

Values on generators

\((731,487)\) → \((e\left(\frac{11}{54}\right),-i)\)

First values

\(a\) \(-1\)\(1\)\(7\)\(11\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)
\( \chi_{ 810 }(23, a) \) \(1\)\(1\)\(e\left(\frac{1}{108}\right)\)\(e\left(\frac{35}{54}\right)\)\(e\left(\frac{95}{108}\right)\)\(e\left(\frac{17}{36}\right)\)\(e\left(\frac{5}{18}\right)\)\(e\left(\frac{53}{108}\right)\)\(e\left(\frac{1}{27}\right)\)\(e\left(\frac{2}{27}\right)\)\(e\left(\frac{11}{36}\right)\)\(e\left(\frac{43}{54}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 810 }(23,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 810 }(23,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 810 }(23,·),\chi_{ 810 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 810 }(23,·)) \;\) at \(\; a,b = \) e.g. 1,2