Properties

Label 247.193
Modulus $247$
Conductor $247$
Order $36$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(247, base_ring=CyclotomicField(36))
 
M = H._module
 
chi = DirichletCharacter(H, M([21,26]))
 
pari: [g,chi] = znchar(Mod(193,247))
 

Basic properties

Modulus: \(247\)
Conductor: \(247\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(36\)
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 247.br

\(\chi_{247}(2,\cdot)\) \(\chi_{247}(32,\cdot)\) \(\chi_{247}(41,\cdot)\) \(\chi_{247}(72,\cdot)\) \(\chi_{247}(110,\cdot)\) \(\chi_{247}(124,\cdot)\) \(\chi_{247}(128,\cdot)\) \(\chi_{247}(154,\cdot)\) \(\chi_{247}(162,\cdot)\) \(\chi_{247}(193,\cdot)\) \(\chi_{247}(223,\cdot)\) \(\chi_{247}(241,\cdot)\)

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: \(\Q(\zeta_{36})\)
Fixed field: 36.36.172883305869849387893002611628480390541620325819249742650713178237814353492521813.2

Values on generators

\((210,40)\) → \((e\left(\frac{7}{12}\right),e\left(\frac{13}{18}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 247 }(193, a) \) \(1\)\(1\)\(e\left(\frac{11}{36}\right)\)\(e\left(\frac{13}{18}\right)\)\(e\left(\frac{11}{18}\right)\)\(e\left(\frac{29}{36}\right)\)\(e\left(\frac{1}{36}\right)\)\(-i\)\(e\left(\frac{11}{12}\right)\)\(e\left(\frac{4}{9}\right)\)\(e\left(\frac{1}{9}\right)\)\(-i\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 247 }(193,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 247 }(193,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 247 }(193,·),\chi_{ 247 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 247 }(193,·)) \;\) at \(\; a,b = \) e.g. 1,2