Properties

Label 8041.1024
Modulus $8041$
Conductor $731$
Order $28$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8041, base_ring=CyclotomicField(28))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,21,12]))
 
pari: [g,chi] = znchar(Mod(1024,8041))
 

Basic properties

Modulus: \(8041\)
Conductor: \(731\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(28\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{731}(293,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 8041.ci

\(\chi_{8041}(914,\cdot)\) \(\chi_{8041}(1024,\cdot)\) \(\chi_{8041}(1288,\cdot)\) \(\chi_{8041}(2333,\cdot)\) \(\chi_{8041}(2707,\cdot)\) \(\chi_{8041}(2971,\cdot)\) \(\chi_{8041}(3719,\cdot)\) \(\chi_{8041}(4390,\cdot)\) \(\chi_{8041}(5138,\cdot)\) \(\chi_{8041}(6337,\cdot)\) \(\chi_{8041}(7646,\cdot)\) \(\chi_{8041}(7756,\cdot)\)

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: \(\Q(\zeta_{28})\)
Fixed field: Number field defined by a degree 28 polynomial

Values on generators

\((6580,2366,562)\) → \((1,-i,e\left(\frac{3}{7}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(12\)
\( \chi_{ 8041 }(1024, a) \) \(1\)\(1\)\(e\left(\frac{1}{14}\right)\)\(e\left(\frac{5}{28}\right)\)\(e\left(\frac{1}{7}\right)\)\(e\left(\frac{13}{28}\right)\)\(i\)\(i\)\(e\left(\frac{3}{14}\right)\)\(e\left(\frac{5}{14}\right)\)\(e\left(\frac{15}{28}\right)\)\(e\left(\frac{9}{28}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 8041 }(1024,a) \;\) at \(\;a = \) e.g. 2