Properties

Label 148.13
Modulus $148$
Conductor $37$
Order $36$
Real no
Primitive no
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(148, base_ring=CyclotomicField(36))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,11]))
 
pari: [g,chi] = znchar(Mod(13,148))
 

Basic properties

Modulus: \(148\)
Conductor: \(37\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(36\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{37}(13,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 148.r

\(\chi_{148}(5,\cdot)\) \(\chi_{148}(13,\cdot)\) \(\chi_{148}(17,\cdot)\) \(\chi_{148}(57,\cdot)\) \(\chi_{148}(61,\cdot)\) \(\chi_{148}(69,\cdot)\) \(\chi_{148}(89,\cdot)\) \(\chi_{148}(93,\cdot)\) \(\chi_{148}(109,\cdot)\) \(\chi_{148}(113,\cdot)\) \(\chi_{148}(129,\cdot)\) \(\chi_{148}(133,\cdot)\)

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: Number field defined by a degree 36 polynomial

Values on generators

\((75,113)\) → \((1,e\left(\frac{11}{36}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(21\)
\( \chi_{ 148 }(13, a) \) \(-1\)\(1\)\(e\left(\frac{17}{18}\right)\)\(e\left(\frac{1}{36}\right)\)\(e\left(\frac{7}{9}\right)\)\(e\left(\frac{8}{9}\right)\)\(e\left(\frac{1}{6}\right)\)\(e\left(\frac{13}{36}\right)\)\(e\left(\frac{35}{36}\right)\)\(e\left(\frac{5}{36}\right)\)\(e\left(\frac{25}{36}\right)\)\(e\left(\frac{13}{18}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 148 }(13,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 148 }(13,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 148 }(13,·),\chi_{ 148 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 148 }(13,·)) \;\) at \(\; a,b = \) e.g. 1,2