Properties

Label 2011.16
Modulus $2011$
Conductor $2011$
Order $201$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2011, base_ring=CyclotomicField(402))
 
M = H._module
 
chi = DirichletCharacter(H, M([196]))
 
pari: [g,chi] = znchar(Mod(16,2011))
 

Basic properties

Modulus: \(2011\)
Conductor: \(2011\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(201\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2011.k

\(\chi_{2011}(4,\cdot)\) \(\chi_{2011}(16,\cdot)\) \(\chi_{2011}(30,\cdot)\) \(\chi_{2011}(115,\cdot)\) \(\chi_{2011}(117,\cdot)\) \(\chi_{2011}(120,\cdot)\) \(\chi_{2011}(134,\cdot)\) \(\chi_{2011}(189,\cdot)\) \(\chi_{2011}(193,\cdot)\) \(\chi_{2011}(194,\cdot)\) \(\chi_{2011}(209,\cdot)\) \(\chi_{2011}(211,\cdot)\) \(\chi_{2011}(225,\cdot)\) \(\chi_{2011}(237,\cdot)\) \(\chi_{2011}(256,\cdot)\) \(\chi_{2011}(279,\cdot)\) \(\chi_{2011}(286,\cdot)\) \(\chi_{2011}(294,\cdot)\) \(\chi_{2011}(296,\cdot)\) \(\chi_{2011}(297,\cdot)\) \(\chi_{2011}(311,\cdot)\) \(\chi_{2011}(323,\cdot)\) \(\chi_{2011}(339,\cdot)\) \(\chi_{2011}(350,\cdot)\) \(\chi_{2011}(371,\cdot)\) \(\chi_{2011}(412,\cdot)\) \(\chi_{2011}(426,\cdot)\) \(\chi_{2011}(442,\cdot)\) \(\chi_{2011}(459,\cdot)\) \(\chi_{2011}(466,\cdot)\) ...

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: $\Q(\zeta_{201})$
Fixed field: Number field defined by a degree 201 polynomial (not computed)

Values on generators

\(3\) → \(e\left(\frac{98}{201}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 2011 }(16, a) \) \(1\)\(1\)\(e\left(\frac{91}{201}\right)\)\(e\left(\frac{98}{201}\right)\)\(e\left(\frac{182}{201}\right)\)\(e\left(\frac{53}{201}\right)\)\(e\left(\frac{63}{67}\right)\)\(e\left(\frac{5}{201}\right)\)\(e\left(\frac{24}{67}\right)\)\(e\left(\frac{196}{201}\right)\)\(e\left(\frac{48}{67}\right)\)\(e\left(\frac{121}{201}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2011 }(16,a) \;\) at \(\;a = \) e.g. 2