Properties

Label 1024.49
Modulus $1024$
Conductor $256$
Order $64$
Real no
Primitive no
Minimal no
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1024, base_ring=CyclotomicField(64))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,37]))
 
pari: [g,chi] = znchar(Mod(49,1024))
 

Basic properties

Modulus: \(1024\)
Conductor: \(256\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(64\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{256}(181,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1024.m

\(\chi_{1024}(17,\cdot)\) \(\chi_{1024}(49,\cdot)\) \(\chi_{1024}(81,\cdot)\) \(\chi_{1024}(113,\cdot)\) \(\chi_{1024}(145,\cdot)\) \(\chi_{1024}(177,\cdot)\) \(\chi_{1024}(209,\cdot)\) \(\chi_{1024}(241,\cdot)\) \(\chi_{1024}(273,\cdot)\) \(\chi_{1024}(305,\cdot)\) \(\chi_{1024}(337,\cdot)\) \(\chi_{1024}(369,\cdot)\) \(\chi_{1024}(401,\cdot)\) \(\chi_{1024}(433,\cdot)\) \(\chi_{1024}(465,\cdot)\) \(\chi_{1024}(497,\cdot)\) \(\chi_{1024}(529,\cdot)\) \(\chi_{1024}(561,\cdot)\) \(\chi_{1024}(593,\cdot)\) \(\chi_{1024}(625,\cdot)\) \(\chi_{1024}(657,\cdot)\) \(\chi_{1024}(689,\cdot)\) \(\chi_{1024}(721,\cdot)\) \(\chi_{1024}(753,\cdot)\) \(\chi_{1024}(785,\cdot)\) \(\chi_{1024}(817,\cdot)\) \(\chi_{1024}(849,\cdot)\) \(\chi_{1024}(881,\cdot)\) \(\chi_{1024}(913,\cdot)\) \(\chi_{1024}(945,\cdot)\) ...

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: $\Q(\zeta_{64})$
Fixed field: Number field defined by a degree 64 polynomial

Values on generators

\((1023,5)\) → \((1,e\left(\frac{37}{64}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(21\)
\( \chi_{ 1024 }(49, a) \) \(1\)\(1\)\(e\left(\frac{15}{64}\right)\)\(e\left(\frac{37}{64}\right)\)\(e\left(\frac{25}{32}\right)\)\(e\left(\frac{15}{32}\right)\)\(e\left(\frac{9}{64}\right)\)\(e\left(\frac{11}{64}\right)\)\(e\left(\frac{13}{16}\right)\)\(e\left(\frac{3}{16}\right)\)\(e\left(\frac{19}{64}\right)\)\(e\left(\frac{1}{64}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1024 }(49,a) \;\) at \(\;a = \) e.g. 2