Properties

Label 2009.73
Modulus $2009$
Conductor $2009$
Order $84$
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(84))
 
M = H._module
 
chi = DirichletCharacter(H, M([74,21]))
 
pari: [g,chi] = znchar(Mod(73,2009))
 

Basic properties

Modulus: \(2009\)
Conductor: \(2009\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(84\)
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.bv

\(\chi_{2009}(73,\cdot)\) \(\chi_{2009}(173,\cdot)\) \(\chi_{2009}(255,\cdot)\) \(\chi_{2009}(278,\cdot)\) \(\chi_{2009}(360,\cdot)\) \(\chi_{2009}(542,\cdot)\) \(\chi_{2009}(565,\cdot)\) \(\chi_{2009}(647,\cdot)\) \(\chi_{2009}(747,\cdot)\) \(\chi_{2009}(829,\cdot)\) \(\chi_{2009}(934,\cdot)\) \(\chi_{2009}(1034,\cdot)\) \(\chi_{2009}(1116,\cdot)\) \(\chi_{2009}(1139,\cdot)\) \(\chi_{2009}(1221,\cdot)\) \(\chi_{2009}(1321,\cdot)\) \(\chi_{2009}(1426,\cdot)\) \(\chi_{2009}(1508,\cdot)\) \(\chi_{2009}(1608,\cdot)\) \(\chi_{2009}(1690,\cdot)\) \(\chi_{2009}(1713,\cdot)\) \(\chi_{2009}(1895,\cdot)\) \(\chi_{2009}(1977,\cdot)\) \(\chi_{2009}(2000,\cdot)\)

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: $\Q(\zeta_{84})$
Fixed field: Number field defined by a degree 84 polynomial

Values on generators

\((493,785)\) → \((e\left(\frac{37}{42}\right),i)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(8\)\(9\)\(10\)\(11\)\(12\)
\( \chi_{ 2009 }(73, a) \) \(-1\)\(1\)\(e\left(\frac{17}{42}\right)\)\(e\left(\frac{53}{84}\right)\)\(e\left(\frac{17}{21}\right)\)\(e\left(\frac{1}{21}\right)\)\(e\left(\frac{1}{28}\right)\)\(e\left(\frac{3}{14}\right)\)\(e\left(\frac{11}{42}\right)\)\(e\left(\frac{19}{42}\right)\)\(e\left(\frac{83}{84}\right)\)\(e\left(\frac{37}{84}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2009 }(73,a) \;\) at \(\;a = \) e.g. 2