Properties

Label 2023.2
Modulus $2023$
Conductor $2023$
Order $408$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2023, base_ring=CyclotomicField(408))
 
M = H._module
 
chi = DirichletCharacter(H, M([136,285]))
 
pari: [g,chi] = znchar(Mod(2,2023))
 

Basic properties

Modulus: \(2023\)
Conductor: \(2023\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(408\)
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 2023.bl

\(\chi_{2023}(2,\cdot)\) \(\chi_{2023}(9,\cdot)\) \(\chi_{2023}(25,\cdot)\) \(\chi_{2023}(32,\cdot)\) \(\chi_{2023}(53,\cdot)\) \(\chi_{2023}(60,\cdot)\) \(\chi_{2023}(93,\cdot)\) \(\chi_{2023}(100,\cdot)\) \(\chi_{2023}(121,\cdot)\) \(\chi_{2023}(128,\cdot)\) \(\chi_{2023}(144,\cdot)\) \(\chi_{2023}(151,\cdot)\) \(\chi_{2023}(172,\cdot)\) \(\chi_{2023}(212,\cdot)\) \(\chi_{2023}(219,\cdot)\) \(\chi_{2023}(240,\cdot)\) \(\chi_{2023}(247,\cdot)\) \(\chi_{2023}(263,\cdot)\) \(\chi_{2023}(270,\cdot)\) \(\chi_{2023}(291,\cdot)\) \(\chi_{2023}(298,\cdot)\) \(\chi_{2023}(331,\cdot)\) \(\chi_{2023}(338,\cdot)\) \(\chi_{2023}(359,\cdot)\) \(\chi_{2023}(366,\cdot)\) \(\chi_{2023}(382,\cdot)\) \(\chi_{2023}(389,\cdot)\) \(\chi_{2023}(410,\cdot)\) \(\chi_{2023}(417,\cdot)\) \(\chi_{2023}(450,\cdot)\) ...

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: $\Q(\zeta_{408})$
Fixed field: Number field defined by a degree 408 polynomial (not computed)

Values on generators

\((290,1737)\) → \((e\left(\frac{1}{3}\right),e\left(\frac{95}{136}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(8\)\(9\)\(10\)\(11\)\(12\)
\( \chi_{ 2023 }(2, a) \) \(1\)\(1\)\(e\left(\frac{79}{204}\right)\)\(e\left(\frac{13}{408}\right)\)\(e\left(\frac{79}{102}\right)\)\(e\left(\frac{257}{408}\right)\)\(e\left(\frac{57}{136}\right)\)\(e\left(\frac{11}{68}\right)\)\(e\left(\frac{13}{204}\right)\)\(e\left(\frac{7}{408}\right)\)\(e\left(\frac{163}{408}\right)\)\(e\left(\frac{329}{408}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2023 }(2,a) \;\) at \(\;a = \) e.g. 2