Properties

Label 8640.61
Modulus $8640$
Conductor $1728$
Order $144$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8640, base_ring=CyclotomicField(144))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,27,128,0]))
 
pari: [g,chi] = znchar(Mod(61,8640))
 

Basic properties

Modulus: \(8640\)
Conductor: \(1728\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(144\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{1728}(61,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 8640.hw

\(\chi_{8640}(61,\cdot)\) \(\chi_{8640}(301,\cdot)\) \(\chi_{8640}(421,\cdot)\) \(\chi_{8640}(661,\cdot)\) \(\chi_{8640}(781,\cdot)\) \(\chi_{8640}(1021,\cdot)\) \(\chi_{8640}(1141,\cdot)\) \(\chi_{8640}(1381,\cdot)\) \(\chi_{8640}(1501,\cdot)\) \(\chi_{8640}(1741,\cdot)\) \(\chi_{8640}(1861,\cdot)\) \(\chi_{8640}(2101,\cdot)\) \(\chi_{8640}(2221,\cdot)\) \(\chi_{8640}(2461,\cdot)\) \(\chi_{8640}(2581,\cdot)\) \(\chi_{8640}(2821,\cdot)\) \(\chi_{8640}(2941,\cdot)\) \(\chi_{8640}(3181,\cdot)\) \(\chi_{8640}(3301,\cdot)\) \(\chi_{8640}(3541,\cdot)\) \(\chi_{8640}(3661,\cdot)\) \(\chi_{8640}(3901,\cdot)\) \(\chi_{8640}(4021,\cdot)\) \(\chi_{8640}(4261,\cdot)\) \(\chi_{8640}(4381,\cdot)\) \(\chi_{8640}(4621,\cdot)\) \(\chi_{8640}(4741,\cdot)\) \(\chi_{8640}(4981,\cdot)\) \(\chi_{8640}(5101,\cdot)\) \(\chi_{8640}(5341,\cdot)\) ...

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: $\Q(\zeta_{144})$
Fixed field: Number field defined by a degree 144 polynomial (not computed)

Values on generators

\((2431,3781,6401,3457)\) → \((1,e\left(\frac{3}{16}\right),e\left(\frac{8}{9}\right),1)\)

First values

\(a\) \(-1\)\(1\)\(7\)\(11\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)
\( \chi_{ 8640 }(61, a) \) \(1\)\(1\)\(e\left(\frac{7}{72}\right)\)\(e\left(\frac{71}{144}\right)\)\(e\left(\frac{133}{144}\right)\)\(e\left(\frac{7}{12}\right)\)\(e\left(\frac{47}{48}\right)\)\(e\left(\frac{29}{72}\right)\)\(e\left(\frac{137}{144}\right)\)\(e\left(\frac{5}{18}\right)\)\(e\left(\frac{1}{48}\right)\)\(e\left(\frac{53}{72}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 8640 }(61,a) \;\) at \(\;a = \) e.g. 2