Properties

Label 8820.107
Modulus $8820$
Conductor $2940$
Order $84$
Real no
Primitive no
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8820, base_ring=CyclotomicField(84))
 
M = H._module
 
chi = DirichletCharacter(H, M([42,42,21,4]))
 
pari: [g,chi] = znchar(Mod(107,8820))
 

Basic properties

Modulus: \(8820\)
Conductor: \(2940\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(84\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{2940}(107,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 8820.is

\(\chi_{8820}(107,\cdot)\) \(\chi_{8820}(683,\cdot)\) \(\chi_{8820}(1187,\cdot)\) \(\chi_{8820}(1367,\cdot)\) \(\chi_{8820}(1943,\cdot)\) \(\chi_{8820}(2123,\cdot)\) \(\chi_{8820}(2447,\cdot)\) \(\chi_{8820}(3383,\cdot)\) \(\chi_{8820}(3707,\cdot)\) \(\chi_{8820}(3887,\cdot)\) \(\chi_{8820}(4463,\cdot)\) \(\chi_{8820}(4643,\cdot)\) \(\chi_{8820}(5147,\cdot)\) \(\chi_{8820}(5723,\cdot)\) \(\chi_{8820}(5903,\cdot)\) \(\chi_{8820}(6227,\cdot)\) \(\chi_{8820}(6407,\cdot)\) \(\chi_{8820}(6983,\cdot)\) \(\chi_{8820}(7163,\cdot)\) \(\chi_{8820}(7487,\cdot)\) \(\chi_{8820}(7667,\cdot)\) \(\chi_{8820}(8243,\cdot)\) \(\chi_{8820}(8423,\cdot)\) \(\chi_{8820}(8747,\cdot)\)

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: $\Q(\zeta_{84})$
Fixed field: Number field defined by a degree 84 polynomial

Values on generators

\((4411,7841,7057,1081)\) → \((-1,-1,i,e\left(\frac{1}{21}\right))\)

First values

\(a\) \(-1\)\(1\)\(11\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)\(43\)
\( \chi_{ 8820 }(107, a) \) \(-1\)\(1\)\(e\left(\frac{19}{21}\right)\)\(e\left(\frac{9}{28}\right)\)\(e\left(\frac{79}{84}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{47}{84}\right)\)\(e\left(\frac{6}{7}\right)\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{65}{84}\right)\)\(e\left(\frac{3}{14}\right)\)\(e\left(\frac{15}{28}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 8820 }(107,a) \;\) at \(\;a = \) e.g. 2