Properties

Label 4002.689
Modulus $4002$
Conductor $2001$
Order $14$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4002, base_ring=CyclotomicField(14))
 
M = H._module
 
chi = DirichletCharacter(H, M([7,7,13]))
 
pari: [g,chi] = znchar(Mod(689,4002))
 

Basic properties

Modulus: \(4002\)
Conductor: \(2001\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(14\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{2001}(689,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 4002.q

\(\chi_{4002}(689,\cdot)\) \(\chi_{4002}(1517,\cdot)\) \(\chi_{4002}(2759,\cdot)\) \(\chi_{4002}(3311,\cdot)\) \(\chi_{4002}(3725,\cdot)\) \(\chi_{4002}(3863,\cdot)\)

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: \(\Q(\zeta_{7})\)
Fixed field: Number field defined by a degree 14 polynomial

Values on generators

\((2669,3133,553)\) → \((-1,-1,e\left(\frac{13}{14}\right))\)

First values

\(a\) \(-1\)\(1\)\(5\)\(7\)\(11\)\(13\)\(17\)\(19\)\(25\)\(31\)\(35\)\(37\)
\( \chi_{ 4002 }(689, a) \) \(1\)\(1\)\(e\left(\frac{3}{7}\right)\)\(e\left(\frac{9}{14}\right)\)\(e\left(\frac{3}{14}\right)\)\(e\left(\frac{5}{7}\right)\)\(-1\)\(e\left(\frac{6}{7}\right)\)\(e\left(\frac{6}{7}\right)\)\(e\left(\frac{13}{14}\right)\)\(e\left(\frac{1}{14}\right)\)\(e\left(\frac{2}{7}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4002 }(689,a) \;\) at \(\;a = \) e.g. 2