Properties

Label 1321.1308
Modulus $1321$
Conductor $1321$
Order $1320$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1321, base_ring=CyclotomicField(1320))
 
M = H._module
 
chi = DirichletCharacter(H, M([661]))
 
pari: [g,chi] = znchar(Mod(1308,1321))
 

Basic properties

Modulus: \(1321\)
Conductor: \(1321\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(1320\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1321.bf

\(\chi_{1321}(13,\cdot)\) \(\chi_{1321}(19,\cdot)\) \(\chi_{1321}(21,\cdot)\) \(\chi_{1321}(23,\cdot)\) \(\chi_{1321}(28,\cdot)\) \(\chi_{1321}(35,\cdot)\) \(\chi_{1321}(38,\cdot)\) \(\chi_{1321}(47,\cdot)\) \(\chi_{1321}(51,\cdot)\) \(\chi_{1321}(56,\cdot)\) \(\chi_{1321}(57,\cdot)\) \(\chi_{1321}(63,\cdot)\) \(\chi_{1321}(65,\cdot)\) \(\chi_{1321}(70,\cdot)\) \(\chi_{1321}(83,\cdot)\) \(\chi_{1321}(84,\cdot)\) \(\chi_{1321}(85,\cdot)\) \(\chi_{1321}(89,\cdot)\) \(\chi_{1321}(97,\cdot)\) \(\chi_{1321}(103,\cdot)\) \(\chi_{1321}(104,\cdot)\) \(\chi_{1321}(105,\cdot)\) \(\chi_{1321}(113,\cdot)\) \(\chi_{1321}(115,\cdot)\) \(\chi_{1321}(117,\cdot)\) \(\chi_{1321}(118,\cdot)\) \(\chi_{1321}(122,\cdot)\) \(\chi_{1321}(139,\cdot)\) \(\chi_{1321}(141,\cdot)\) \(\chi_{1321}(146,\cdot)\) ...

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: $\Q(\zeta_{1320})$
Fixed field: Number field defined by a degree 1320 polynomial (not computed)

Values on generators

\(13\) → \(e\left(\frac{661}{1320}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 1321 }(1308, a) \) \(-1\)\(1\)\(e\left(\frac{11}{60}\right)\)\(e\left(\frac{6}{55}\right)\)\(e\left(\frac{11}{30}\right)\)\(e\left(\frac{551}{660}\right)\)\(e\left(\frac{193}{660}\right)\)\(e\left(\frac{245}{264}\right)\)\(e\left(\frac{11}{20}\right)\)\(e\left(\frac{12}{55}\right)\)\(e\left(\frac{1}{55}\right)\)\(e\left(\frac{1}{165}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1321 }(1308,a) \;\) at \(\;a = \) e.g. 2