Properties

Label 618.7
Modulus $618$
Conductor $103$
Order $51$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(618, base_ring=CyclotomicField(102))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,4]))
 
pari: [g,chi] = znchar(Mod(7,618))
 

Basic properties

Modulus: \(618\)
Conductor: \(103\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(51\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{103}(7,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 618.m

\(\chi_{618}(7,\cdot)\) \(\chi_{618}(19,\cdot)\) \(\chi_{618}(25,\cdot)\) \(\chi_{618}(49,\cdot)\) \(\chi_{618}(55,\cdot)\) \(\chi_{618}(91,\cdot)\) \(\chi_{618}(97,\cdot)\) \(\chi_{618}(121,\cdot)\) \(\chi_{618}(139,\cdot)\) \(\chi_{618}(163,\cdot)\) \(\chi_{618}(223,\cdot)\) \(\chi_{618}(235,\cdot)\) \(\chi_{618}(247,\cdot)\) \(\chi_{618}(265,\cdot)\) \(\chi_{618}(289,\cdot)\) \(\chi_{618}(313,\cdot)\) \(\chi_{618}(325,\cdot)\) \(\chi_{618}(337,\cdot)\) \(\chi_{618}(361,\cdot)\) \(\chi_{618}(367,\cdot)\) \(\chi_{618}(391,\cdot)\) \(\chi_{618}(427,\cdot)\) \(\chi_{618}(445,\cdot)\) \(\chi_{618}(475,\cdot)\) \(\chi_{618}(517,\cdot)\) \(\chi_{618}(541,\cdot)\) \(\chi_{618}(547,\cdot)\) \(\chi_{618}(553,\cdot)\) \(\chi_{618}(565,\cdot)\) \(\chi_{618}(583,\cdot)\) ...

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: $\Q(\zeta_{51})$
Fixed field: Number field defined by a degree 51 polynomial

Values on generators

\((413,211)\) → \((1,e\left(\frac{2}{51}\right))\)

First values

\(a\) \(-1\)\(1\)\(5\)\(7\)\(11\)\(13\)\(17\)\(19\)\(23\)\(25\)\(29\)\(31\)
\( \chi_{ 618 }(7, a) \) \(1\)\(1\)\(e\left(\frac{2}{51}\right)\)\(e\left(\frac{8}{51}\right)\)\(e\left(\frac{20}{51}\right)\)\(e\left(\frac{14}{17}\right)\)\(e\left(\frac{38}{51}\right)\)\(e\left(\frac{7}{51}\right)\)\(e\left(\frac{16}{17}\right)\)\(e\left(\frac{4}{51}\right)\)\(e\left(\frac{19}{51}\right)\)\(e\left(\frac{4}{17}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 618 }(7,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 618 }(7,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 618 }(7,·),\chi_{ 618 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 618 }(7,·)) \;\) at \(\; a,b = \) e.g. 1,2