Properties

Label 1568.43
Modulus $1568$
Conductor $1568$
Order $56$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1568, base_ring=CyclotomicField(56))
 
M = H._module
 
chi = DirichletCharacter(H, M([28,35,8]))
 
pari: [g,chi] = znchar(Mod(43,1568))
 

Basic properties

Modulus: \(1568\)
Conductor: \(1568\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(56\)
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 1568.cb

\(\chi_{1568}(43,\cdot)\) \(\chi_{1568}(155,\cdot)\) \(\chi_{1568}(211,\cdot)\) \(\chi_{1568}(267,\cdot)\) \(\chi_{1568}(323,\cdot)\) \(\chi_{1568}(379,\cdot)\) \(\chi_{1568}(435,\cdot)\) \(\chi_{1568}(547,\cdot)\) \(\chi_{1568}(603,\cdot)\) \(\chi_{1568}(659,\cdot)\) \(\chi_{1568}(715,\cdot)\) \(\chi_{1568}(771,\cdot)\) \(\chi_{1568}(827,\cdot)\) \(\chi_{1568}(939,\cdot)\) \(\chi_{1568}(995,\cdot)\) \(\chi_{1568}(1051,\cdot)\) \(\chi_{1568}(1107,\cdot)\) \(\chi_{1568}(1163,\cdot)\) \(\chi_{1568}(1219,\cdot)\) \(\chi_{1568}(1331,\cdot)\) \(\chi_{1568}(1387,\cdot)\) \(\chi_{1568}(1443,\cdot)\) \(\chi_{1568}(1499,\cdot)\) \(\chi_{1568}(1555,\cdot)\)

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: $\Q(\zeta_{56})$
Fixed field: Number field defined by a degree 56 polynomial

Values on generators

\((1471,197,1473)\) → \((-1,e\left(\frac{5}{8}\right),e\left(\frac{1}{7}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(23\)\(25\)
\( \chi_{ 1568 }(43, a) \) \(-1\)\(1\)\(e\left(\frac{29}{56}\right)\)\(e\left(\frac{43}{56}\right)\)\(e\left(\frac{1}{28}\right)\)\(e\left(\frac{19}{56}\right)\)\(e\left(\frac{5}{56}\right)\)\(e\left(\frac{2}{7}\right)\)\(e\left(\frac{1}{14}\right)\)\(e\left(\frac{7}{8}\right)\)\(e\left(\frac{19}{28}\right)\)\(e\left(\frac{15}{28}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1568 }(43,a) \;\) at \(\;a = \) e.g. 2