Properties

Label 3971.4
Modulus $3971$
Conductor $3971$
Order $855$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3971, base_ring=CyclotomicField(1710))
 
M = H._module
 
chi = DirichletCharacter(H, M([342,10]))
 
pari: [g,chi] = znchar(Mod(4,3971))
 

Basic properties

Modulus: \(3971\)
Conductor: \(3971\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(855\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 3971.bs

\(\chi_{3971}(4,\cdot)\) \(\chi_{3971}(5,\cdot)\) \(\chi_{3971}(9,\cdot)\) \(\chi_{3971}(16,\cdot)\) \(\chi_{3971}(25,\cdot)\) \(\chi_{3971}(36,\cdot)\) \(\chi_{3971}(42,\cdot)\) \(\chi_{3971}(47,\cdot)\) \(\chi_{3971}(80,\cdot)\) \(\chi_{3971}(81,\cdot)\) \(\chi_{3971}(82,\cdot)\) \(\chi_{3971}(92,\cdot)\) \(\chi_{3971}(93,\cdot)\) \(\chi_{3971}(104,\cdot)\) \(\chi_{3971}(119,\cdot)\) \(\chi_{3971}(130,\cdot)\) \(\chi_{3971}(137,\cdot)\) \(\chi_{3971}(157,\cdot)\) \(\chi_{3971}(158,\cdot)\) \(\chi_{3971}(168,\cdot)\) \(\chi_{3971}(169,\cdot)\) \(\chi_{3971}(180,\cdot)\) \(\chi_{3971}(196,\cdot)\) \(\chi_{3971}(207,\cdot)\) \(\chi_{3971}(213,\cdot)\) \(\chi_{3971}(214,\cdot)\) \(\chi_{3971}(218,\cdot)\) \(\chi_{3971}(225,\cdot)\) \(\chi_{3971}(251,\cdot)\) \(\chi_{3971}(256,\cdot)\) ...

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: $\Q(\zeta_{855})$
Fixed field: Number field defined by a degree 855 polynomial (not computed)

Values on generators

\((1806,2168)\) → \((e\left(\frac{1}{5}\right),e\left(\frac{1}{171}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(12\)
\( \chi_{ 3971 }(4, a) \) \(1\)\(1\)\(e\left(\frac{176}{855}\right)\)\(e\left(\frac{353}{855}\right)\)\(e\left(\frac{352}{855}\right)\)\(e\left(\frac{134}{855}\right)\)\(e\left(\frac{529}{855}\right)\)\(e\left(\frac{79}{285}\right)\)\(e\left(\frac{176}{285}\right)\)\(e\left(\frac{706}{855}\right)\)\(e\left(\frac{62}{171}\right)\)\(e\left(\frac{47}{57}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 3971 }(4,a) \;\) at \(\;a = \) e.g. 2