Properties

Label 7728.61
Modulus $7728$
Conductor $2576$
Order $132$
Real no
Primitive no
Minimal yes
Parity even

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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([0,99,0,110,102]))
 
pari: [g,chi] = znchar(Mod(61,7728))
 

Basic properties

Modulus: \(7728\)
Conductor: \(2576\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(132\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{2576}(61,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 7728.hd

\(\chi_{7728}(61,\cdot)\) \(\chi_{7728}(157,\cdot)\) \(\chi_{7728}(493,\cdot)\) \(\chi_{7728}(661,\cdot)\) \(\chi_{7728}(733,\cdot)\) \(\chi_{7728}(1069,\cdot)\) \(\chi_{7728}(1165,\cdot)\) \(\chi_{7728}(1837,\cdot)\) \(\chi_{7728}(2077,\cdot)\) \(\chi_{7728}(2173,\cdot)\) \(\chi_{7728}(2245,\cdot)\) \(\chi_{7728}(2413,\cdot)\) \(\chi_{7728}(2581,\cdot)\) \(\chi_{7728}(2917,\cdot)\) \(\chi_{7728}(3181,\cdot)\) \(\chi_{7728}(3253,\cdot)\) \(\chi_{7728}(3349,\cdot)\) \(\chi_{7728}(3421,\cdot)\) \(\chi_{7728}(3517,\cdot)\) \(\chi_{7728}(3685,\cdot)\) \(\chi_{7728}(3925,\cdot)\) \(\chi_{7728}(4021,\cdot)\) \(\chi_{7728}(4357,\cdot)\) \(\chi_{7728}(4525,\cdot)\) \(\chi_{7728}(4597,\cdot)\) \(\chi_{7728}(4933,\cdot)\) \(\chi_{7728}(5029,\cdot)\) \(\chi_{7728}(5701,\cdot)\) \(\chi_{7728}(5941,\cdot)\) \(\chi_{7728}(6037,\cdot)\) ...

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

\((4831,5797,5153,6625,6721)\) → \((1,-i,1,e\left(\frac{5}{6}\right),e\left(\frac{17}{22}\right))\)

First values

\(a\) \(-1\)\(1\)\(5\)\(11\)\(13\)\(17\)\(19\)\(25\)\(29\)\(31\)\(37\)\(41\)
\( \chi_{ 7728 }(61, a) \) \(1\)\(1\)\(e\left(\frac{91}{132}\right)\)\(e\left(\frac{5}{132}\right)\)\(e\left(\frac{25}{44}\right)\)\(e\left(\frac{8}{33}\right)\)\(e\left(\frac{1}{132}\right)\)\(e\left(\frac{25}{66}\right)\)\(e\left(\frac{7}{44}\right)\)\(e\left(\frac{31}{66}\right)\)\(e\left(\frac{85}{132}\right)\)\(e\left(\frac{3}{11}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 7728 }(61,a) \;\) at \(\;a = \) e.g. 2