Properties

Label 605.218
Modulus $605$
Conductor $605$
Order $220$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(605, base_ring=CyclotomicField(220))
 
M = H._module
 
chi = DirichletCharacter(H, M([165,72]))
 
pari: [g,chi] = znchar(Mod(218,605))
 

Basic properties

Modulus: \(605\)
Conductor: \(605\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(220\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 605.x

\(\chi_{605}(37,\cdot)\) \(\chi_{605}(38,\cdot)\) \(\chi_{605}(42,\cdot)\) \(\chi_{605}(47,\cdot)\) \(\chi_{605}(48,\cdot)\) \(\chi_{605}(53,\cdot)\) \(\chi_{605}(58,\cdot)\) \(\chi_{605}(82,\cdot)\) \(\chi_{605}(92,\cdot)\) \(\chi_{605}(93,\cdot)\) \(\chi_{605}(97,\cdot)\) \(\chi_{605}(102,\cdot)\) \(\chi_{605}(103,\cdot)\) \(\chi_{605}(108,\cdot)\) \(\chi_{605}(113,\cdot)\) \(\chi_{605}(137,\cdot)\) \(\chi_{605}(147,\cdot)\) \(\chi_{605}(152,\cdot)\) \(\chi_{605}(157,\cdot)\) \(\chi_{605}(158,\cdot)\) \(\chi_{605}(163,\cdot)\) \(\chi_{605}(168,\cdot)\) \(\chi_{605}(192,\cdot)\) \(\chi_{605}(203,\cdot)\) \(\chi_{605}(207,\cdot)\) \(\chi_{605}(212,\cdot)\) \(\chi_{605}(213,\cdot)\) \(\chi_{605}(218,\cdot)\) \(\chi_{605}(223,\cdot)\) \(\chi_{605}(247,\cdot)\) ...

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: $\Q(\zeta_{220})$
Fixed field: Number field defined by a degree 220 polynomial (not computed)

Values on generators

\((122,486)\) → \((-i,e\left(\frac{18}{55}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(12\)\(13\)\(14\)
\( \chi_{ 605 }(218, a) \) \(-1\)\(1\)\(e\left(\frac{17}{220}\right)\)\(e\left(\frac{1}{20}\right)\)\(e\left(\frac{17}{110}\right)\)\(e\left(\frac{7}{55}\right)\)\(e\left(\frac{9}{220}\right)\)\(e\left(\frac{51}{220}\right)\)\(e\left(\frac{1}{10}\right)\)\(e\left(\frac{9}{44}\right)\)\(e\left(\frac{67}{220}\right)\)\(e\left(\frac{13}{110}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 605 }(218,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 605 }(218,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 605 }(218,·),\chi_{ 605 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 605 }(218,·)) \;\) at \(\; a,b = \) e.g. 1,2