Properties

Label 3969.20
Modulus $3969$
Conductor $3969$
Order $378$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3969, base_ring=CyclotomicField(378))
 
M = H._module
 
chi = DirichletCharacter(H, M([175,351]))
 
pari: [g,chi] = znchar(Mod(20,3969))
 

Basic properties

Modulus: \(3969\)
Conductor: \(3969\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(378\)
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 3969.dh

\(\chi_{3969}(20,\cdot)\) \(\chi_{3969}(41,\cdot)\) \(\chi_{3969}(83,\cdot)\) \(\chi_{3969}(104,\cdot)\) \(\chi_{3969}(167,\cdot)\) \(\chi_{3969}(209,\cdot)\) \(\chi_{3969}(230,\cdot)\) \(\chi_{3969}(272,\cdot)\) \(\chi_{3969}(335,\cdot)\) \(\chi_{3969}(356,\cdot)\) \(\chi_{3969}(398,\cdot)\) \(\chi_{3969}(419,\cdot)\) \(\chi_{3969}(461,\cdot)\) \(\chi_{3969}(482,\cdot)\) \(\chi_{3969}(524,\cdot)\) \(\chi_{3969}(545,\cdot)\) \(\chi_{3969}(608,\cdot)\) \(\chi_{3969}(650,\cdot)\) \(\chi_{3969}(671,\cdot)\) \(\chi_{3969}(713,\cdot)\) \(\chi_{3969}(776,\cdot)\) \(\chi_{3969}(797,\cdot)\) \(\chi_{3969}(839,\cdot)\) \(\chi_{3969}(860,\cdot)\) \(\chi_{3969}(902,\cdot)\) \(\chi_{3969}(923,\cdot)\) \(\chi_{3969}(965,\cdot)\) \(\chi_{3969}(986,\cdot)\) \(\chi_{3969}(1049,\cdot)\) \(\chi_{3969}(1091,\cdot)\) ...

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: $\Q(\zeta_{189})$
Fixed field: Number field defined by a degree 378 polynomial (not computed)

Values on generators

\((2108,3727)\) → \((e\left(\frac{25}{54}\right),e\left(\frac{13}{14}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(5\)\(8\)\(10\)\(11\)\(13\)\(16\)\(17\)\(19\)
\( \chi_{ 3969 }(20, a) \) \(1\)\(1\)\(e\left(\frac{229}{378}\right)\)\(e\left(\frac{40}{189}\right)\)\(e\left(\frac{109}{189}\right)\)\(e\left(\frac{103}{126}\right)\)\(e\left(\frac{23}{126}\right)\)\(e\left(\frac{61}{378}\right)\)\(e\left(\frac{131}{378}\right)\)\(e\left(\frac{80}{189}\right)\)\(e\left(\frac{31}{63}\right)\)\(e\left(\frac{13}{18}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 3969 }(20,a) \;\) at \(\;a = \) e.g. 2