Properties

Label 8820.6571
Modulus $8820$
Conductor $196$
Order $42$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8820, base_ring=CyclotomicField(42))
 
M = H._module
 
chi = DirichletCharacter(H, M([21,0,0,29]))
 
pari: [g,chi] = znchar(Mod(6571,8820))
 

Basic properties

Modulus: \(8820\)
Conductor: \(196\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(42\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{196}(103,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 8820.gt

\(\chi_{8820}(271,\cdot)\) \(\chi_{8820}(451,\cdot)\) \(\chi_{8820}(1531,\cdot)\) \(\chi_{8820}(1711,\cdot)\) \(\chi_{8820}(2791,\cdot)\) \(\chi_{8820}(4051,\cdot)\) \(\chi_{8820}(4231,\cdot)\) \(\chi_{8820}(5491,\cdot)\) \(\chi_{8820}(6571,\cdot)\) \(\chi_{8820}(6751,\cdot)\) \(\chi_{8820}(7831,\cdot)\) \(\chi_{8820}(8011,\cdot)\)

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: \(\Q(\zeta_{21})\)
Fixed field: \(\Q(\zeta_{196})^+\)

Values on generators

\((4411,7841,7057,1081)\) → \((-1,1,1,e\left(\frac{29}{42}\right))\)

First values

\(a\) \(-1\)\(1\)\(11\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)\(43\)
\( \chi_{ 8820 }(6571, a) \) \(1\)\(1\)\(e\left(\frac{5}{42}\right)\)\(e\left(\frac{11}{14}\right)\)\(e\left(\frac{11}{42}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{31}{42}\right)\)\(e\left(\frac{3}{7}\right)\)\(e\left(\frac{1}{3}\right)\)\(e\left(\frac{2}{21}\right)\)\(e\left(\frac{5}{14}\right)\)\(e\left(\frac{9}{14}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 8820 }(6571,a) \;\) at \(\;a = \) e.g. 2