Properties

Label 3822.205
Modulus $3822$
Conductor $637$
Order $42$
Real no
Primitive no
Minimal yes
Parity even

Related objects

Downloads

Learn more

Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3822, base_ring=CyclotomicField(42))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,2,35]))
 
pari: [g,chi] = znchar(Mod(205,3822))
 

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 \(\chi_{637}(205,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 3822.dd

\(\chi_{3822}(205,\cdot)\) \(\chi_{3822}(277,\cdot)\) \(\chi_{3822}(751,\cdot)\) \(\chi_{3822}(823,\cdot)\) \(\chi_{3822}(1297,\cdot)\) \(\chi_{3822}(1369,\cdot)\) \(\chi_{3822}(1915,\cdot)\) \(\chi_{3822}(2389,\cdot)\) \(\chi_{3822}(2461,\cdot)\) \(\chi_{3822}(2935,\cdot)\) \(\chi_{3822}(3481,\cdot)\) \(\chi_{3822}(3553,\cdot)\)

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: 42.42.16423600478713504434070778628293678810006717122913176085381268066336462525553883868883157384200587461557.1

Values on generators

\((2549,3433,1471)\) → \((1,e\left(\frac{1}{21}\right),e\left(\frac{5}{6}\right))\)

First values

\(a\) \(-1\)\(1\)\(5\)\(11\)\(17\)\(19\)\(23\)\(25\)\(29\)\(31\)\(37\)\(41\)
\( \chi_{ 3822 }(205, a) \) \(1\)\(1\)\(e\left(\frac{37}{42}\right)\)\(e\left(\frac{31}{42}\right)\)\(e\left(\frac{6}{7}\right)\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{1}{7}\right)\)\(e\left(\frac{16}{21}\right)\)\(e\left(\frac{4}{21}\right)\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{5}{14}\right)\)\(e\left(\frac{23}{42}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 3822 }(205,a) \;\) at \(\;a = \) e.g. 2