Properties

Label 676.17
Modulus $676$
Conductor $169$
Order $78$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(676, base_ring=CyclotomicField(78))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,73]))
 
pari: [g,chi] = znchar(Mod(17,676))
 

Basic properties

Modulus: \(676\)
Conductor: \(169\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(78\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{169}(17,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 676.v

\(\chi_{676}(17,\cdot)\) \(\chi_{676}(49,\cdot)\) \(\chi_{676}(69,\cdot)\) \(\chi_{676}(101,\cdot)\) \(\chi_{676}(121,\cdot)\) \(\chi_{676}(153,\cdot)\) \(\chi_{676}(173,\cdot)\) \(\chi_{676}(205,\cdot)\) \(\chi_{676}(225,\cdot)\) \(\chi_{676}(257,\cdot)\) \(\chi_{676}(277,\cdot)\) \(\chi_{676}(309,\cdot)\) \(\chi_{676}(329,\cdot)\) \(\chi_{676}(381,\cdot)\) \(\chi_{676}(413,\cdot)\) \(\chi_{676}(433,\cdot)\) \(\chi_{676}(465,\cdot)\) \(\chi_{676}(517,\cdot)\) \(\chi_{676}(537,\cdot)\) \(\chi_{676}(569,\cdot)\) \(\chi_{676}(589,\cdot)\) \(\chi_{676}(621,\cdot)\) \(\chi_{676}(641,\cdot)\) \(\chi_{676}(673,\cdot)\)

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: $\Q(\zeta_{39})$
Fixed field: Number field defined by a degree 78 polynomial

Values on generators

\((339,509)\) → \((1,e\left(\frac{73}{78}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(15\)\(17\)\(19\)\(21\)\(23\)
\( \chi_{ 676 }(17, a) \) \(1\)\(1\)\(e\left(\frac{2}{39}\right)\)\(e\left(\frac{11}{26}\right)\)\(e\left(\frac{11}{78}\right)\)\(e\left(\frac{4}{39}\right)\)\(e\left(\frac{31}{78}\right)\)\(e\left(\frac{37}{78}\right)\)\(e\left(\frac{25}{39}\right)\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{5}{26}\right)\)\(e\left(\frac{2}{3}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 676 }(17,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 676 }(17,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 676 }(17,·),\chi_{ 676 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 676 }(17,·)) \;\) at \(\; a,b = \) e.g. 1,2