Properties

Label 7600.381
Modulus $7600$
Conductor $400$
Order $20$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(7600, base_ring=CyclotomicField(20))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,15,8,0]))
 
pari: [g,chi] = znchar(Mod(381,7600))
 

Basic properties

Modulus: \(7600\)
Conductor: \(400\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(20\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{400}(381,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 7600.en

\(\chi_{7600}(381,\cdot)\) \(\chi_{7600}(1141,\cdot)\) \(\chi_{7600}(2661,\cdot)\) \(\chi_{7600}(3421,\cdot)\) \(\chi_{7600}(4181,\cdot)\) \(\chi_{7600}(4941,\cdot)\) \(\chi_{7600}(6461,\cdot)\) \(\chi_{7600}(7221,\cdot)\)

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: Number field defined by a degree 20 polynomial

Values on generators

\((4751,5701,5777,401)\) → \((1,-i,e\left(\frac{2}{5}\right),1)\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(21\)\(23\)\(27\)\(29\)
\( \chi_{ 7600 }(381, a) \) \(1\)\(1\)\(e\left(\frac{1}{20}\right)\)\(-1\)\(e\left(\frac{1}{10}\right)\)\(e\left(\frac{3}{20}\right)\)\(e\left(\frac{17}{20}\right)\)\(e\left(\frac{1}{5}\right)\)\(e\left(\frac{11}{20}\right)\)\(e\left(\frac{9}{10}\right)\)\(e\left(\frac{3}{20}\right)\)\(e\left(\frac{1}{20}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 7600 }(381,a) \;\) at \(\;a = \) e.g. 2