Properties

Label 7728.2021
Modulus $7728$
Conductor $7728$
Order $132$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(7728, base_ring=CyclotomicField(132))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,33,66,110,30]))
 
pari: [g,chi] = znchar(Mod(2021,7728))
 

Basic properties

Modulus: \(7728\)
Conductor: \(7728\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(132\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 7728.gw

\(\chi_{7728}(5,\cdot)\) \(\chi_{7728}(341,\cdot)\) \(\chi_{7728}(605,\cdot)\) \(\chi_{7728}(677,\cdot)\) \(\chi_{7728}(773,\cdot)\) \(\chi_{7728}(845,\cdot)\) \(\chi_{7728}(941,\cdot)\) \(\chi_{7728}(1109,\cdot)\) \(\chi_{7728}(1349,\cdot)\) \(\chi_{7728}(1445,\cdot)\) \(\chi_{7728}(1781,\cdot)\) \(\chi_{7728}(1949,\cdot)\) \(\chi_{7728}(2021,\cdot)\) \(\chi_{7728}(2357,\cdot)\) \(\chi_{7728}(2453,\cdot)\) \(\chi_{7728}(3125,\cdot)\) \(\chi_{7728}(3365,\cdot)\) \(\chi_{7728}(3461,\cdot)\) \(\chi_{7728}(3533,\cdot)\) \(\chi_{7728}(3701,\cdot)\) \(\chi_{7728}(3869,\cdot)\) \(\chi_{7728}(4205,\cdot)\) \(\chi_{7728}(4469,\cdot)\) \(\chi_{7728}(4541,\cdot)\) \(\chi_{7728}(4637,\cdot)\) \(\chi_{7728}(4709,\cdot)\) \(\chi_{7728}(4805,\cdot)\) \(\chi_{7728}(4973,\cdot)\) \(\chi_{7728}(5213,\cdot)\) \(\chi_{7728}(5309,\cdot)\) ...

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: $\Q(\zeta_{132})$
Fixed field: Number field defined by a degree 132 polynomial (not computed)

Values on generators

\((4831,5797,5153,6625,6721)\) → \((1,i,-1,e\left(\frac{5}{6}\right),e\left(\frac{5}{22}\right))\)

First values

\(a\) \(-1\)\(1\)\(5\)\(11\)\(13\)\(17\)\(19\)\(25\)\(29\)\(31\)\(37\)\(41\)
\( \chi_{ 7728 }(2021, a) \) \(-1\)\(1\)\(e\left(\frac{19}{132}\right)\)\(e\left(\frac{17}{132}\right)\)\(e\left(\frac{19}{44}\right)\)\(e\left(\frac{61}{66}\right)\)\(e\left(\frac{43}{132}\right)\)\(e\left(\frac{19}{66}\right)\)\(e\left(\frac{15}{44}\right)\)\(e\left(\frac{13}{66}\right)\)\(e\left(\frac{91}{132}\right)\)\(e\left(\frac{5}{22}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 7728 }(2021,a) \;\) at \(\;a = \) e.g. 2