Properties

Label 1681.33
Modulus $1681$
Conductor $1681$
Order $820$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1681, base_ring=CyclotomicField(820))
 
M = H._module
 
chi = DirichletCharacter(H, M([489]))
 
pari: [g,chi] = znchar(Mod(33,1681))
 

Basic properties

Modulus: \(1681\)
Conductor: \(1681\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(820\)
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 1681.o

\(\chi_{1681}(2,\cdot)\) \(\chi_{1681}(5,\cdot)\) \(\chi_{1681}(8,\cdot)\) \(\chi_{1681}(20,\cdot)\) \(\chi_{1681}(21,\cdot)\) \(\chi_{1681}(33,\cdot)\) \(\chi_{1681}(36,\cdot)\) \(\chi_{1681}(39,\cdot)\) \(\chi_{1681}(43,\cdot)\) \(\chi_{1681}(46,\cdot)\) \(\chi_{1681}(49,\cdot)\) \(\chi_{1681}(61,\cdot)\) \(\chi_{1681}(62,\cdot)\) \(\chi_{1681}(74,\cdot)\) \(\chi_{1681}(77,\cdot)\) \(\chi_{1681}(80,\cdot)\) \(\chi_{1681}(84,\cdot)\) \(\chi_{1681}(87,\cdot)\) \(\chi_{1681}(90,\cdot)\) \(\chi_{1681}(102,\cdot)\) \(\chi_{1681}(103,\cdot)\) \(\chi_{1681}(115,\cdot)\) \(\chi_{1681}(118,\cdot)\) \(\chi_{1681}(121,\cdot)\) \(\chi_{1681}(125,\cdot)\) \(\chi_{1681}(128,\cdot)\) \(\chi_{1681}(131,\cdot)\) \(\chi_{1681}(143,\cdot)\) \(\chi_{1681}(144,\cdot)\) \(\chi_{1681}(156,\cdot)\) ...

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: $\Q(\zeta_{820})$
Fixed field: Number field defined by a degree 820 polynomial (not computed)

Values on generators

\(6\) → \(e\left(\frac{489}{820}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 1681 }(33, a) \) \(1\)\(1\)\(e\left(\frac{337}{410}\right)\)\(e\left(\frac{127}{164}\right)\)\(e\left(\frac{132}{205}\right)\)\(e\left(\frac{239}{410}\right)\)\(e\left(\frac{489}{820}\right)\)\(e\left(\frac{291}{820}\right)\)\(e\left(\frac{191}{410}\right)\)\(e\left(\frac{45}{82}\right)\)\(e\left(\frac{83}{205}\right)\)\(e\left(\frac{367}{820}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1681 }(33,a) \;\) at \(\;a = \) e.g. 2