Properties

Label 1205.1114
Modulus $1205$
Conductor $1205$
Order $10$
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(10))
 
M = H._module
 
chi = DirichletCharacter(H, M([5,7]))
 
pari: [g,chi] = znchar(Mod(1114,1205))
 

Basic properties

Modulus: \(1205\)
Conductor: \(1205\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(10\)
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.t

\(\chi_{1205}(154,\cdot)\) \(\chi_{1205}(384,\cdot)\) \(\chi_{1205}(759,\cdot)\) \(\chi_{1205}(1114,\cdot)\)

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: \(\Q(\zeta_{5})\)
Fixed field: 10.10.8570445644041523286753125.1

Values on generators

\((242,971)\) → \((-1,e\left(\frac{7}{10}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(11\)\(12\)\(13\)
\( \chi_{ 1205 }(1114, a) \) \(1\)\(1\)\(-1\)\(e\left(\frac{9}{10}\right)\)\(1\)\(e\left(\frac{2}{5}\right)\)\(e\left(\frac{1}{5}\right)\)\(-1\)\(e\left(\frac{4}{5}\right)\)\(-1\)\(e\left(\frac{9}{10}\right)\)\(e\left(\frac{2}{5}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1205 }(1114,a) \;\) at \(\;a = \) e.g. 2