Properties

Label 786.17
Modulus $786$
Conductor $393$
Order $130$
Real no
Primitive no
Minimal yes
Parity even

Related objects

Downloads

Learn more

Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(786, base_ring=CyclotomicField(130))
 
M = H._module
 
chi = DirichletCharacter(H, M([65,43]))
 
pari: [g,chi] = znchar(Mod(17,786))
 

Basic properties

Modulus: \(786\)
Conductor: \(393\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(130\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{393}(17,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 786.o

\(\chi_{786}(17,\cdot)\) \(\chi_{786}(23,\cdot)\) \(\chi_{786}(29,\cdot)\) \(\chi_{786}(83,\cdot)\) \(\chi_{786}(95,\cdot)\) \(\chi_{786}(119,\cdot)\) \(\chi_{786}(137,\cdot)\) \(\chi_{786}(161,\cdot)\) \(\chi_{786}(185,\cdot)\) \(\chi_{786}(197,\cdot)\) \(\chi_{786}(203,\cdot)\) \(\chi_{786}(221,\cdot)\) \(\chi_{786}(227,\cdot)\) \(\chi_{786}(251,\cdot)\) \(\chi_{786}(257,\cdot)\) \(\chi_{786}(293,\cdot)\) \(\chi_{786}(299,\cdot)\) \(\chi_{786}(329,\cdot)\) \(\chi_{786}(347,\cdot)\) \(\chi_{786}(359,\cdot)\) \(\chi_{786}(365,\cdot)\) \(\chi_{786}(377,\cdot)\) \(\chi_{786}(389,\cdot)\) \(\chi_{786}(395,\cdot)\) \(\chi_{786}(401,\cdot)\) \(\chi_{786}(407,\cdot)\) \(\chi_{786}(419,\cdot)\) \(\chi_{786}(443,\cdot)\) \(\chi_{786}(449,\cdot)\) \(\chi_{786}(491,\cdot)\) ...

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: $\Q(\zeta_{65})$
Fixed field: Number field defined by a degree 130 polynomial (not computed)

Values on generators

\((263,133)\) → \((-1,e\left(\frac{43}{130}\right))\)

First values

\(a\) \(-1\)\(1\)\(5\)\(7\)\(11\)\(13\)\(17\)\(19\)\(23\)\(25\)\(29\)\(31\)
\( \chi_{ 786 }(17, a) \) \(1\)\(1\)\(e\left(\frac{93}{130}\right)\)\(e\left(\frac{49}{65}\right)\)\(e\left(\frac{3}{130}\right)\)\(e\left(\frac{62}{65}\right)\)\(e\left(\frac{47}{65}\right)\)\(e\left(\frac{15}{26}\right)\)\(e\left(\frac{7}{65}\right)\)\(e\left(\frac{28}{65}\right)\)\(e\left(\frac{24}{65}\right)\)\(e\left(\frac{77}{130}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 786 }(17,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 786 }(17,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 786 }(17,·),\chi_{ 786 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 786 }(17,·)) \;\) at \(\; a,b = \) e.g. 1,2