Properties

Label 8021.21
Modulus $8021$
Conductor $8021$
Order $56$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8021, base_ring=CyclotomicField(56))
 
M = H._module
 
chi = DirichletCharacter(H, M([14,13]))
 
pari: [g,chi] = znchar(Mod(21,8021))
 

Basic properties

Modulus: \(8021\)
Conductor: \(8021\)
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: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 8021.cc

\(\chi_{8021}(21,\cdot)\) \(\chi_{8021}(216,\cdot)\) \(\chi_{8021}(382,\cdot)\) \(\chi_{8021}(1214,\cdot)\) \(\chi_{8021}(1240,\cdot)\) \(\chi_{8021}(1412,\cdot)\) \(\chi_{8021}(1799,\cdot)\) \(\chi_{8021}(1903,\cdot)\) \(\chi_{8021}(1919,\cdot)\) \(\chi_{8021}(2400,\cdot)\) \(\chi_{8021}(2462,\cdot)\) \(\chi_{8021}(2488,\cdot)\) \(\chi_{8021}(2907,\cdot)\) \(\chi_{8021}(3320,\cdot)\) \(\chi_{8021}(4074,\cdot)\) \(\chi_{8021}(4103,\cdot)\) \(\chi_{8021}(4298,\cdot)\) \(\chi_{8021}(4389,\cdot)\) \(\chi_{8021}(4698,\cdot)\) \(\chi_{8021}(5039,\cdot)\) \(\chi_{8021}(7025,\cdot)\) \(\chi_{8021}(7301,\cdot)\) \(\chi_{8021}(7649,\cdot)\) \(\chi_{8021}(7951,\cdot)\)

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

\((6788,2471)\) → \((i,e\left(\frac{13}{56}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 8021 }(21, a) \) \(1\)\(1\)\(e\left(\frac{17}{28}\right)\)\(e\left(\frac{13}{56}\right)\)\(e\left(\frac{3}{14}\right)\)\(e\left(\frac{43}{56}\right)\)\(e\left(\frac{47}{56}\right)\)\(e\left(\frac{5}{7}\right)\)\(e\left(\frac{23}{28}\right)\)\(e\left(\frac{13}{28}\right)\)\(e\left(\frac{3}{8}\right)\)\(e\left(\frac{3}{14}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 8021 }(21,a) \;\) at \(\;a = \) e.g. 2