Properties

Label 388.57
Modulus $388$
Conductor $97$
Order $96$
Real no
Primitive no
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(388, base_ring=CyclotomicField(96))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,55]))
 
pari: [g,chi] = znchar(Mod(57,388))
 

Basic properties

Modulus: \(388\)
Conductor: \(97\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(96\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{97}(57,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 388.w

\(\chi_{388}(5,\cdot)\) \(\chi_{388}(13,\cdot)\) \(\chi_{388}(17,\cdot)\) \(\chi_{388}(21,\cdot)\) \(\chi_{388}(29,\cdot)\) \(\chi_{388}(37,\cdot)\) \(\chi_{388}(41,\cdot)\) \(\chi_{388}(57,\cdot)\) \(\chi_{388}(137,\cdot)\) \(\chi_{388}(153,\cdot)\) \(\chi_{388}(157,\cdot)\) \(\chi_{388}(165,\cdot)\) \(\chi_{388}(173,\cdot)\) \(\chi_{388}(177,\cdot)\) \(\chi_{388}(181,\cdot)\) \(\chi_{388}(189,\cdot)\) \(\chi_{388}(201,\cdot)\) \(\chi_{388}(209,\cdot)\) \(\chi_{388}(217,\cdot)\) \(\chi_{388}(233,\cdot)\) \(\chi_{388}(253,\cdot)\) \(\chi_{388}(265,\cdot)\) \(\chi_{388}(277,\cdot)\) \(\chi_{388}(281,\cdot)\) \(\chi_{388}(301,\cdot)\) \(\chi_{388}(305,\cdot)\) \(\chi_{388}(317,\cdot)\) \(\chi_{388}(329,\cdot)\) \(\chi_{388}(349,\cdot)\) \(\chi_{388}(365,\cdot)\) ...

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: $\Q(\zeta_{96})$
Fixed field: Number field defined by a degree 96 polynomial

Values on generators

\((195,5)\) → \((1,e\left(\frac{55}{96}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(21\)
\( \chi_{ 388 }(57, a) \) \(-1\)\(1\)\(e\left(\frac{5}{48}\right)\)\(e\left(\frac{55}{96}\right)\)\(e\left(\frac{73}{96}\right)\)\(e\left(\frac{5}{24}\right)\)\(e\left(\frac{13}{48}\right)\)\(e\left(\frac{31}{96}\right)\)\(e\left(\frac{65}{96}\right)\)\(e\left(\frac{95}{96}\right)\)\(e\left(\frac{13}{32}\right)\)\(e\left(\frac{83}{96}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 388 }(57,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 388 }(57,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 388 }(57,·),\chi_{ 388 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 388 }(57,·)) \;\) at \(\; a,b = \) e.g. 1,2