Properties

Label 4100.323
Modulus $4100$
Conductor $4100$
Order $20$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4100, base_ring=CyclotomicField(20))
 
M = H._module
 
chi = DirichletCharacter(H, M([10,11,1]))
 
pari: [g,chi] = znchar(Mod(323,4100))
 

Basic properties

Modulus: \(4100\)
Conductor: \(4100\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(20\)
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 4100.fn

\(\chi_{4100}(323,\cdot)\) \(\chi_{4100}(367,\cdot)\) \(\chi_{4100}(787,\cdot)\) \(\chi_{4100}(1263,\cdot)\) \(\chi_{4100}(1683,\cdot)\) \(\chi_{4100}(1727,\cdot)\) \(\chi_{4100}(2603,\cdot)\) \(\chi_{4100}(3547,\cdot)\)

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: \(\Q(\zeta_{20})\)
Fixed field: 20.20.13410449736538095576814221345095825195312500000000000000000000.3

Values on generators

\((2051,1477,3901)\) → \((-1,e\left(\frac{11}{20}\right),e\left(\frac{1}{20}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(19\)\(21\)\(23\)\(27\)
\( \chi_{ 4100 }(323, a) \) \(1\)\(1\)\(e\left(\frac{1}{10}\right)\)\(e\left(\frac{1}{5}\right)\)\(e\left(\frac{1}{5}\right)\)\(e\left(\frac{9}{20}\right)\)\(1\)\(e\left(\frac{4}{5}\right)\)\(e\left(\frac{17}{20}\right)\)\(e\left(\frac{3}{10}\right)\)\(e\left(\frac{7}{20}\right)\)\(e\left(\frac{3}{10}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4100 }(323,a) \;\) at \(\;a = \) e.g. 2