Properties

Label 2000.123
Modulus $2000$
Conductor $2000$
Order $100$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2000, base_ring=CyclotomicField(100))
 
M = H._module
 
chi = DirichletCharacter(H, M([50,25,51]))
 
pari: [g,chi] = znchar(Mod(123,2000))
 

Basic properties

Modulus: \(2000\)
Conductor: \(2000\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(100\)
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 2000.by

\(\chi_{2000}(67,\cdot)\) \(\chi_{2000}(123,\cdot)\) \(\chi_{2000}(147,\cdot)\) \(\chi_{2000}(203,\cdot)\) \(\chi_{2000}(227,\cdot)\) \(\chi_{2000}(283,\cdot)\) \(\chi_{2000}(363,\cdot)\) \(\chi_{2000}(387,\cdot)\) \(\chi_{2000}(467,\cdot)\) \(\chi_{2000}(523,\cdot)\) \(\chi_{2000}(547,\cdot)\) \(\chi_{2000}(603,\cdot)\) \(\chi_{2000}(627,\cdot)\) \(\chi_{2000}(683,\cdot)\) \(\chi_{2000}(763,\cdot)\) \(\chi_{2000}(787,\cdot)\) \(\chi_{2000}(867,\cdot)\) \(\chi_{2000}(923,\cdot)\) \(\chi_{2000}(947,\cdot)\) \(\chi_{2000}(1003,\cdot)\) \(\chi_{2000}(1027,\cdot)\) \(\chi_{2000}(1083,\cdot)\) \(\chi_{2000}(1163,\cdot)\) \(\chi_{2000}(1187,\cdot)\) \(\chi_{2000}(1267,\cdot)\) \(\chi_{2000}(1323,\cdot)\) \(\chi_{2000}(1347,\cdot)\) \(\chi_{2000}(1403,\cdot)\) \(\chi_{2000}(1427,\cdot)\) \(\chi_{2000}(1483,\cdot)\) ...

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: $\Q(\zeta_{100})$
Fixed field: Number field defined by a degree 100 polynomial

Values on generators

\((751,501,1377)\) → \((-1,i,e\left(\frac{51}{100}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(19\)\(21\)\(23\)\(27\)
\( \chi_{ 2000 }(123, a) \) \(1\)\(1\)\(e\left(\frac{41}{50}\right)\)\(e\left(\frac{7}{20}\right)\)\(e\left(\frac{16}{25}\right)\)\(e\left(\frac{51}{100}\right)\)\(e\left(\frac{16}{25}\right)\)\(e\left(\frac{23}{100}\right)\)\(e\left(\frac{43}{100}\right)\)\(e\left(\frac{17}{100}\right)\)\(e\left(\frac{81}{100}\right)\)\(e\left(\frac{23}{50}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2000 }(123,a) \;\) at \(\;a = \) e.g. 2