Properties

Label 8640.497
Modulus $8640$
Conductor $2160$
Order $36$
Real no
Primitive no
Minimal no
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8640, base_ring=CyclotomicField(36))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,9,26,9]))
 
pari: [g,chi] = znchar(Mod(497,8640))
 

Basic properties

Modulus: \(8640\)
Conductor: \(2160\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(36\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{2160}(2117,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 8640.ga

\(\chi_{8640}(497,\cdot)\) \(\chi_{8640}(1553,\cdot)\) \(\chi_{8640}(2417,\cdot)\) \(\chi_{8640}(2513,\cdot)\) \(\chi_{8640}(3377,\cdot)\) \(\chi_{8640}(4433,\cdot)\) \(\chi_{8640}(5297,\cdot)\) \(\chi_{8640}(5393,\cdot)\) \(\chi_{8640}(6257,\cdot)\) \(\chi_{8640}(7313,\cdot)\) \(\chi_{8640}(8177,\cdot)\) \(\chi_{8640}(8273,\cdot)\)

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: \(\Q(\zeta_{36})\)
Fixed field: 36.36.41216642617644769738384985747906299013992369570201489573102485504000000000000000000000000000.2

Values on generators

\((2431,3781,6401,3457)\) → \((1,i,e\left(\frac{13}{18}\right),i)\)

First values

\(a\) \(-1\)\(1\)\(7\)\(11\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)
\( \chi_{ 8640 }(497, a) \) \(1\)\(1\)\(e\left(\frac{11}{36}\right)\)\(e\left(\frac{23}{36}\right)\)\(e\left(\frac{5}{18}\right)\)\(e\left(\frac{1}{12}\right)\)\(e\left(\frac{11}{12}\right)\)\(e\left(\frac{7}{36}\right)\)\(e\left(\frac{35}{36}\right)\)\(e\left(\frac{4}{9}\right)\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{7}{9}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 8640 }(497,a) \;\) at \(\;a = \) e.g. 2