Properties

Label 6724.21
Modulus $6724$
Conductor $1681$
Order $820$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(6724, base_ring=CyclotomicField(820))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,447]))
 
pari: [g,chi] = znchar(Mod(21,6724))
 

Basic properties

Modulus: \(6724\)
Conductor: \(1681\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(820\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{1681}(21,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 6724.bd

\(\chi_{6724}(5,\cdot)\) \(\chi_{6724}(21,\cdot)\) \(\chi_{6724}(33,\cdot)\) \(\chi_{6724}(49,\cdot)\) \(\chi_{6724}(61,\cdot)\) \(\chi_{6724}(77,\cdot)\) \(\chi_{6724}(121,\cdot)\) \(\chi_{6724}(125,\cdot)\) \(\chi_{6724}(169,\cdot)\) \(\chi_{6724}(185,\cdot)\) \(\chi_{6724}(197,\cdot)\) \(\chi_{6724}(213,\cdot)\) \(\chi_{6724}(225,\cdot)\) \(\chi_{6724}(241,\cdot)\) \(\chi_{6724}(285,\cdot)\) \(\chi_{6724}(289,\cdot)\) \(\chi_{6724}(333,\cdot)\) \(\chi_{6724}(349,\cdot)\) \(\chi_{6724}(361,\cdot)\) \(\chi_{6724}(377,\cdot)\) \(\chi_{6724}(389,\cdot)\) \(\chi_{6724}(405,\cdot)\) \(\chi_{6724}(449,\cdot)\) \(\chi_{6724}(453,\cdot)\) \(\chi_{6724}(497,\cdot)\) \(\chi_{6724}(513,\cdot)\) \(\chi_{6724}(525,\cdot)\) \(\chi_{6724}(541,\cdot)\) \(\chi_{6724}(553,\cdot)\) \(\chi_{6724}(569,\cdot)\) ...

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: $\Q(\zeta_{820})$
Fixed field: Number field defined by a degree 820 polynomial (not computed)

Values on generators

\((3363,5049)\) → \((1,e\left(\frac{447}{820}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(21\)
\( \chi_{ 6724 }(21, a) \) \(1\)\(1\)\(e\left(\frac{101}{164}\right)\)\(e\left(\frac{387}{410}\right)\)\(e\left(\frac{593}{820}\right)\)\(e\left(\frac{19}{82}\right)\)\(e\left(\frac{421}{820}\right)\)\(e\left(\frac{557}{820}\right)\)\(e\left(\frac{459}{820}\right)\)\(e\left(\frac{151}{820}\right)\)\(e\left(\frac{763}{820}\right)\)\(e\left(\frac{139}{410}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 6724 }(21,a) \;\) at \(\;a = \) e.g. 2