Properties

Label 149.147
Modulus $149$
Conductor $149$
Order $148$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(149, base_ring=CyclotomicField(148))
 
M = H._module
 
chi = DirichletCharacter(H, M([75]))
 
pari: [g,chi] = znchar(Mod(147,149))
 

Basic properties

Modulus: \(149\)
Conductor: \(149\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(148\)
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 149.f

\(\chi_{149}(2,\cdot)\) \(\chi_{149}(3,\cdot)\) \(\chi_{149}(8,\cdot)\) \(\chi_{149}(10,\cdot)\) \(\chi_{149}(11,\cdot)\) \(\chi_{149}(12,\cdot)\) \(\chi_{149}(13,\cdot)\) \(\chi_{149}(14,\cdot)\) \(\chi_{149}(15,\cdot)\) \(\chi_{149}(18,\cdot)\) \(\chi_{149}(21,\cdot)\) \(\chi_{149}(23,\cdot)\) \(\chi_{149}(27,\cdot)\) \(\chi_{149}(32,\cdot)\) \(\chi_{149}(34,\cdot)\) \(\chi_{149}(38,\cdot)\) \(\chi_{149}(40,\cdot)\) \(\chi_{149}(41,\cdot)\) \(\chi_{149}(43,\cdot)\) \(\chi_{149}(48,\cdot)\) \(\chi_{149}(50,\cdot)\) \(\chi_{149}(51,\cdot)\) \(\chi_{149}(52,\cdot)\) \(\chi_{149}(55,\cdot)\) \(\chi_{149}(56,\cdot)\) \(\chi_{149}(57,\cdot)\) \(\chi_{149}(58,\cdot)\) \(\chi_{149}(59,\cdot)\) \(\chi_{149}(60,\cdot)\) \(\chi_{149}(62,\cdot)\) ...

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: $\Q(\zeta_{148})$
Fixed field: Number field defined by a degree 148 polynomial (not computed)

Values on generators

\(2\) → \(e\left(\frac{75}{148}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 149 }(147, a) \) \(-1\)\(1\)\(e\left(\frac{75}{148}\right)\)\(e\left(\frac{13}{148}\right)\)\(e\left(\frac{1}{74}\right)\)\(e\left(\frac{26}{37}\right)\)\(e\left(\frac{22}{37}\right)\)\(e\left(\frac{71}{74}\right)\)\(e\left(\frac{77}{148}\right)\)\(e\left(\frac{13}{74}\right)\)\(e\left(\frac{31}{148}\right)\)\(e\left(\frac{35}{148}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 149 }(147,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 149 }(147,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 149 }(147,·),\chi_{ 149 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 149 }(147,·)) \;\) at \(\; a,b = \) e.g. 1,2