Properties

Label 2009.5
Modulus $2009$
Conductor $2009$
Order $420$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2009, base_ring=CyclotomicField(420))
 
M = H._module
 
chi = DirichletCharacter(H, M([290,231]))
 
pari: [g,chi] = znchar(Mod(5,2009))
 

Basic properties

Modulus: \(2009\)
Conductor: \(2009\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(420\)
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 2009.ci

\(\chi_{2009}(5,\cdot)\) \(\chi_{2009}(33,\cdot)\) \(\chi_{2009}(61,\cdot)\) \(\chi_{2009}(87,\cdot)\) \(\chi_{2009}(103,\cdot)\) \(\chi_{2009}(115,\cdot)\) \(\chi_{2009}(131,\cdot)\) \(\chi_{2009}(143,\cdot)\) \(\chi_{2009}(159,\cdot)\) \(\chi_{2009}(185,\cdot)\) \(\chi_{2009}(213,\cdot)\) \(\chi_{2009}(241,\cdot)\) \(\chi_{2009}(248,\cdot)\) \(\chi_{2009}(285,\cdot)\) \(\chi_{2009}(292,\cdot)\) \(\chi_{2009}(320,\cdot)\) \(\chi_{2009}(348,\cdot)\) \(\chi_{2009}(367,\cdot)\) \(\chi_{2009}(390,\cdot)\) \(\chi_{2009}(402,\cdot)\) \(\chi_{2009}(418,\cdot)\) \(\chi_{2009}(430,\cdot)\) \(\chi_{2009}(446,\cdot)\) \(\chi_{2009}(453,\cdot)\) \(\chi_{2009}(500,\cdot)\) \(\chi_{2009}(528,\cdot)\) \(\chi_{2009}(535,\cdot)\) \(\chi_{2009}(572,\cdot)\) \(\chi_{2009}(579,\cdot)\) \(\chi_{2009}(635,\cdot)\) ...

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: $\Q(\zeta_{420})$
Fixed field: Number field defined by a degree 420 polynomial (not computed)

Values on generators

\((493,785)\) → \((e\left(\frac{29}{42}\right),e\left(\frac{11}{20}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(8\)\(9\)\(10\)\(11\)\(12\)
\( \chi_{ 2009 }(5, a) \) \(-1\)\(1\)\(e\left(\frac{53}{210}\right)\)\(e\left(\frac{79}{84}\right)\)\(e\left(\frac{53}{105}\right)\)\(e\left(\frac{13}{105}\right)\)\(e\left(\frac{27}{140}\right)\)\(e\left(\frac{53}{70}\right)\)\(e\left(\frac{37}{42}\right)\)\(e\left(\frac{79}{210}\right)\)\(e\left(\frac{113}{420}\right)\)\(e\left(\frac{187}{420}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2009 }(5,a) \;\) at \(\;a = \) e.g. 2