Properties

Label 2624.143
Modulus $2624$
Conductor $656$
Order $20$
Real no
Primitive no
Minimal no
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2624, base_ring=CyclotomicField(20))
 
M = H._module
 
chi = DirichletCharacter(H, M([10,5,17]))
 
pari: [g,chi] = znchar(Mod(143,2624))
 

Basic properties

Modulus: \(2624\)
Conductor: \(656\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(20\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{656}(635,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2624.db

\(\chi_{2624}(143,\cdot)\) \(\chi_{2624}(207,\cdot)\) \(\chi_{2624}(367,\cdot)\) \(\chi_{2624}(431,\cdot)\) \(\chi_{2624}(623,\cdot)\) \(\chi_{2624}(1071,\cdot)\) \(\chi_{2624}(2127,\cdot)\) \(\chi_{2624}(2575,\cdot)\)

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: 20.0.158322645890088916737377685620382389712556392448.2

Values on generators

\((575,1477,129)\) → \((-1,i,e\left(\frac{17}{20}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(21\)
\( \chi_{ 2624 }(143, a) \) \(-1\)\(1\)\(1\)\(e\left(\frac{19}{20}\right)\)\(e\left(\frac{3}{20}\right)\)\(1\)\(e\left(\frac{3}{10}\right)\)\(e\left(\frac{1}{10}\right)\)\(e\left(\frac{19}{20}\right)\)\(e\left(\frac{1}{20}\right)\)\(e\left(\frac{9}{10}\right)\)\(e\left(\frac{3}{20}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2624 }(143,a) \;\) at \(\;a = \) e.g. 2