Properties

Label 3960.503
Modulus $3960$
Conductor $660$
Order $20$
Real no
Primitive no
Minimal no
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3960, base_ring=CyclotomicField(20))
 
M = H._module
 
chi = DirichletCharacter(H, M([10,0,10,15,6]))
 
pari: [g,chi] = znchar(Mod(503,3960))
 

Basic properties

Modulus: \(3960\)
Conductor: \(660\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(20\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{660}(503,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 3960.fn

\(\chi_{3960}(503,\cdot)\) \(\chi_{3960}(1007,\cdot)\) \(\chi_{3960}(1223,\cdot)\) \(\chi_{3960}(1943,\cdot)\) \(\chi_{3960}(2087,\cdot)\) \(\chi_{3960}(2807,\cdot)\) \(\chi_{3960}(3383,\cdot)\) \(\chi_{3960}(3527,\cdot)\)

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: 20.20.10505841838220888855090208000000000000000.1

Values on generators

\((991,1981,3521,2377,2521)\) → \((-1,1,-1,-i,e\left(\frac{3}{10}\right))\)

First values

\(a\) \(-1\)\(1\)\(7\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)\(43\)
\( \chi_{ 3960 }(503, a) \) \(1\)\(1\)\(e\left(\frac{7}{20}\right)\)\(e\left(\frac{11}{20}\right)\)\(e\left(\frac{19}{20}\right)\)\(e\left(\frac{9}{10}\right)\)\(i\)\(e\left(\frac{1}{10}\right)\)\(e\left(\frac{3}{10}\right)\)\(e\left(\frac{7}{20}\right)\)\(e\left(\frac{2}{5}\right)\)\(i\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 3960 }(503,a) \;\) at \(\;a = \) e.g. 2