Properties

Label 1205.33
Modulus $1205$
Conductor $1205$
Order $80$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1205, base_ring=CyclotomicField(80))
 
M = H._module
 
chi = DirichletCharacter(H, M([60,69]))
 
pari: [g,chi] = znchar(Mod(33,1205))
 

Basic properties

Modulus: \(1205\)
Conductor: \(1205\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(80\)
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 1205.ck

\(\chi_{1205}(33,\cdot)\) \(\chi_{1205}(43,\cdot)\) \(\chi_{1205}(198,\cdot)\) \(\chi_{1205}(208,\cdot)\) \(\chi_{1205}(258,\cdot)\) \(\chi_{1205}(267,\cdot)\) \(\chi_{1205}(298,\cdot)\) \(\chi_{1205}(343,\cdot)\) \(\chi_{1205}(358,\cdot)\) \(\chi_{1205}(377,\cdot)\) \(\chi_{1205}(397,\cdot)\) \(\chi_{1205}(503,\cdot)\) \(\chi_{1205}(567,\cdot)\) \(\chi_{1205}(583,\cdot)\) \(\chi_{1205}(587,\cdot)\) \(\chi_{1205}(697,\cdot)\) \(\chi_{1205}(863,\cdot)\) \(\chi_{1205}(943,\cdot)\) \(\chi_{1205}(987,\cdot)\) \(\chi_{1205}(992,\cdot)\) \(\chi_{1205}(1037,\cdot)\) \(\chi_{1205}(1057,\cdot)\) \(\chi_{1205}(1067,\cdot)\) \(\chi_{1205}(1088,\cdot)\) \(\chi_{1205}(1102,\cdot)\) \(\chi_{1205}(1103,\cdot)\) \(\chi_{1205}(1112,\cdot)\) \(\chi_{1205}(1132,\cdot)\) \(\chi_{1205}(1148,\cdot)\) \(\chi_{1205}(1177,\cdot)\) ...

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: $\Q(\zeta_{80})$
Fixed field: Number field defined by a degree 80 polynomial

Values on generators

\((242,971)\) → \((-i,e\left(\frac{69}{80}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(11\)\(12\)\(13\)
\( \chi_{ 1205 }(33, a) \) \(1\)\(1\)\(e\left(\frac{5}{8}\right)\)\(e\left(\frac{9}{40}\right)\)\(i\)\(e\left(\frac{17}{20}\right)\)\(e\left(\frac{49}{80}\right)\)\(e\left(\frac{7}{8}\right)\)\(e\left(\frac{9}{20}\right)\)\(e\left(\frac{9}{16}\right)\)\(e\left(\frac{19}{40}\right)\)\(e\left(\frac{63}{80}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1205 }(33,a) \;\) at \(\;a = \) e.g. 2