Properties

Label 3822.43
Modulus $3822$
Conductor $637$
Order $42$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3822, base_ring=CyclotomicField(42))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,6,7]))
 
pari: [g,chi] = znchar(Mod(43,3822))
 

Basic properties

Modulus: \(3822\)
Conductor: \(637\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(42\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{637}(43,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 3822.dx

\(\chi_{3822}(43,\cdot)\) \(\chi_{3822}(127,\cdot)\) \(\chi_{3822}(673,\cdot)\) \(\chi_{3822}(1135,\cdot)\) \(\chi_{3822}(1219,\cdot)\) \(\chi_{3822}(1681,\cdot)\) \(\chi_{3822}(2227,\cdot)\) \(\chi_{3822}(2311,\cdot)\) \(\chi_{3822}(2773,\cdot)\) \(\chi_{3822}(2857,\cdot)\) \(\chi_{3822}(3319,\cdot)\) \(\chi_{3822}(3403,\cdot)\)

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: \(\Q(\zeta_{21})\)
Fixed field: Number field defined by a degree 42 polynomial

Values on generators

\((2549,3433,1471)\) → \((1,e\left(\frac{1}{7}\right),e\left(\frac{1}{6}\right))\)

First values

\(a\) \(-1\)\(1\)\(5\)\(11\)\(17\)\(19\)\(23\)\(25\)\(29\)\(31\)\(37\)\(41\)
\( \chi_{ 3822 }(43, a) \) \(1\)\(1\)\(e\left(\frac{9}{14}\right)\)\(e\left(\frac{37}{42}\right)\)\(e\left(\frac{19}{21}\right)\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{2}{21}\right)\)\(e\left(\frac{2}{7}\right)\)\(e\left(\frac{5}{21}\right)\)\(-1\)\(e\left(\frac{31}{42}\right)\)\(e\left(\frac{13}{42}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 3822 }(43,a) \;\) at \(\;a = \) e.g. 2