Properties

Label 1666.15
Modulus $1666$
Conductor $833$
Order $56$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1666, base_ring=CyclotomicField(56))
 
M = H._module
 
chi = DirichletCharacter(H, M([40,21]))
 
pari: [g,chi] = znchar(Mod(15,1666))
 

Basic properties

Modulus: \(1666\)
Conductor: \(833\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(56\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{833}(15,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1666.bf

\(\chi_{1666}(15,\cdot)\) \(\chi_{1666}(43,\cdot)\) \(\chi_{1666}(127,\cdot)\) \(\chi_{1666}(155,\cdot)\) \(\chi_{1666}(253,\cdot)\) \(\chi_{1666}(281,\cdot)\) \(\chi_{1666}(365,\cdot)\) \(\chi_{1666}(519,\cdot)\) \(\chi_{1666}(603,\cdot)\) \(\chi_{1666}(631,\cdot)\) \(\chi_{1666}(729,\cdot)\) \(\chi_{1666}(757,\cdot)\) \(\chi_{1666}(841,\cdot)\) \(\chi_{1666}(869,\cdot)\) \(\chi_{1666}(967,\cdot)\) \(\chi_{1666}(995,\cdot)\) \(\chi_{1666}(1107,\cdot)\) \(\chi_{1666}(1205,\cdot)\) \(\chi_{1666}(1233,\cdot)\) \(\chi_{1666}(1317,\cdot)\) \(\chi_{1666}(1345,\cdot)\) \(\chi_{1666}(1443,\cdot)\) \(\chi_{1666}(1555,\cdot)\) \(\chi_{1666}(1583,\cdot)\)

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

\((885,785)\) → \((e\left(\frac{5}{7}\right),e\left(\frac{3}{8}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(9\)\(11\)\(13\)\(15\)\(19\)\(23\)\(25\)\(27\)
\( \chi_{ 1666 }(15, a) \) \(1\)\(1\)\(e\left(\frac{5}{56}\right)\)\(e\left(\frac{33}{56}\right)\)\(e\left(\frac{5}{28}\right)\)\(e\left(\frac{11}{56}\right)\)\(e\left(\frac{1}{14}\right)\)\(e\left(\frac{19}{28}\right)\)\(i\)\(e\left(\frac{43}{56}\right)\)\(e\left(\frac{5}{28}\right)\)\(e\left(\frac{15}{56}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1666 }(15,a) \;\) at \(\;a = \) e.g. 2