Properties

Label 2541.650
Modulus $2541$
Conductor $2541$
Order $22$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2541, base_ring=CyclotomicField(22))
 
M = H._module
 
chi = DirichletCharacter(H, M([11,11,6]))
 
pari: [g,chi] = znchar(Mod(650,2541))
 

Basic properties

Modulus: \(2541\)
Conductor: \(2541\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(22\)
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 2541.bd

\(\chi_{2541}(188,\cdot)\) \(\chi_{2541}(419,\cdot)\) \(\chi_{2541}(650,\cdot)\) \(\chi_{2541}(881,\cdot)\) \(\chi_{2541}(1112,\cdot)\) \(\chi_{2541}(1343,\cdot)\) \(\chi_{2541}(1805,\cdot)\) \(\chi_{2541}(2036,\cdot)\) \(\chi_{2541}(2267,\cdot)\) \(\chi_{2541}(2498,\cdot)\)

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: \(\Q(\zeta_{11})\)
Fixed field: Number field defined by a degree 22 polynomial

Values on generators

\((848,1816,2059)\) → \((-1,-1,e\left(\frac{3}{11}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(5\)\(8\)\(10\)\(13\)\(16\)\(17\)\(19\)\(20\)
\( \chi_{ 2541 }(650, a) \) \(1\)\(1\)\(e\left(\frac{17}{22}\right)\)\(e\left(\frac{6}{11}\right)\)\(e\left(\frac{2}{11}\right)\)\(e\left(\frac{7}{22}\right)\)\(e\left(\frac{21}{22}\right)\)\(e\left(\frac{1}{22}\right)\)\(e\left(\frac{1}{11}\right)\)\(e\left(\frac{4}{11}\right)\)\(e\left(\frac{3}{22}\right)\)\(e\left(\frac{8}{11}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2541 }(650,a) \;\) at \(\;a = \) e.g. 2