Properties

Label 1205.1003
Modulus $1205$
Conductor $1205$
Order $240$
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(240))
 
M = H._module
 
chi = DirichletCharacter(H, M([180,229]))
 
pari: [g,chi] = znchar(Mod(1003,1205))
 

Basic properties

Modulus: \(1205\)
Conductor: \(1205\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(240\)
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.cq

\(\chi_{1205}(52,\cdot)\) \(\chi_{1205}(132,\cdot)\) \(\chi_{1205}(157,\cdot)\) \(\chi_{1205}(167,\cdot)\) \(\chi_{1205}(172,\cdot)\) \(\chi_{1205}(227,\cdot)\) \(\chi_{1205}(248,\cdot)\) \(\chi_{1205}(272,\cdot)\) \(\chi_{1205}(278,\cdot)\) \(\chi_{1205}(283,\cdot)\) \(\chi_{1205}(287,\cdot)\) \(\chi_{1205}(297,\cdot)\) \(\chi_{1205}(303,\cdot)\) \(\chi_{1205}(312,\cdot)\) \(\chi_{1205}(333,\cdot)\) \(\chi_{1205}(353,\cdot)\) \(\chi_{1205}(368,\cdot)\) \(\chi_{1205}(378,\cdot)\) \(\chi_{1205}(383,\cdot)\) \(\chi_{1205}(387,\cdot)\) \(\chi_{1205}(427,\cdot)\) \(\chi_{1205}(443,\cdot)\) \(\chi_{1205}(447,\cdot)\) \(\chi_{1205}(448,\cdot)\) \(\chi_{1205}(517,\cdot)\) \(\chi_{1205}(533,\cdot)\) \(\chi_{1205}(537,\cdot)\) \(\chi_{1205}(548,\cdot)\) \(\chi_{1205}(568,\cdot)\) \(\chi_{1205}(577,\cdot)\) ...

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: $\Q(\zeta_{240})$
Fixed field: Number field defined by a degree 240 polynomial (not computed)

Values on generators

\((242,971)\) → \((-i,e\left(\frac{229}{240}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(11\)\(12\)\(13\)
\( \chi_{ 1205 }(1003, a) \) \(1\)\(1\)\(e\left(\frac{1}{24}\right)\)\(e\left(\frac{109}{120}\right)\)\(e\left(\frac{1}{12}\right)\)\(e\left(\frac{19}{20}\right)\)\(e\left(\frac{169}{240}\right)\)\(e\left(\frac{1}{8}\right)\)\(e\left(\frac{49}{60}\right)\)\(e\left(\frac{41}{48}\right)\)\(e\left(\frac{119}{120}\right)\)\(e\left(\frac{23}{240}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1205 }(1003,a) \;\) at \(\;a = \) e.g. 2