Properties

Label 2009.85
Modulus $2009$
Conductor $2009$
Order $56$
Real no
Primitive yes
Minimal yes
Parity odd

Related objects

Downloads

Learn more

Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2009, base_ring=CyclotomicField(56))
 
M = H._module
 
chi = DirichletCharacter(H, M([16,21]))
 
pari: [g,chi] = znchar(Mod(85,2009))
 

Basic properties

Modulus: \(2009\)
Conductor: \(2009\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(56\)
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.bn

\(\chi_{2009}(85,\cdot)\) \(\chi_{2009}(120,\cdot)\) \(\chi_{2009}(232,\cdot)\) \(\chi_{2009}(260,\cdot)\) \(\chi_{2009}(372,\cdot)\) \(\chi_{2009}(407,\cdot)\) \(\chi_{2009}(519,\cdot)\) \(\chi_{2009}(547,\cdot)\) \(\chi_{2009}(659,\cdot)\) \(\chi_{2009}(694,\cdot)\) \(\chi_{2009}(806,\cdot)\) \(\chi_{2009}(946,\cdot)\) \(\chi_{2009}(1093,\cdot)\) \(\chi_{2009}(1121,\cdot)\) \(\chi_{2009}(1233,\cdot)\) \(\chi_{2009}(1268,\cdot)\) \(\chi_{2009}(1380,\cdot)\) \(\chi_{2009}(1408,\cdot)\) \(\chi_{2009}(1555,\cdot)\) \(\chi_{2009}(1695,\cdot)\) \(\chi_{2009}(1807,\cdot)\) \(\chi_{2009}(1842,\cdot)\) \(\chi_{2009}(1954,\cdot)\) \(\chi_{2009}(1982,\cdot)\)

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: $\Q(\zeta_{56})$
Fixed field: Number field defined by a degree 56 polynomial

Values on generators

\((493,785)\) → \((e\left(\frac{2}{7}\right),e\left(\frac{3}{8}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(8\)\(9\)\(10\)\(11\)\(12\)
\( \chi_{ 2009 }(85, a) \) \(-1\)\(1\)\(e\left(\frac{5}{28}\right)\)\(e\left(\frac{51}{56}\right)\)\(e\left(\frac{5}{14}\right)\)\(e\left(\frac{15}{28}\right)\)\(e\left(\frac{5}{56}\right)\)\(e\left(\frac{15}{28}\right)\)\(e\left(\frac{23}{28}\right)\)\(e\left(\frac{5}{7}\right)\)\(e\left(\frac{31}{56}\right)\)\(e\left(\frac{15}{56}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2009 }(85,a) \;\) at \(\;a = \) e.g. 2