Properties

Label 21560.10853
Modulus $21560$
Conductor $21560$
Order $420$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(21560, base_ring=CyclotomicField(420))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,210,315,370,294]))
 
pari: [g,chi] = znchar(Mod(10853,21560))
 

Basic properties

Modulus: \(21560\)
Conductor: \(21560\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(420\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 21560.om

\(\chi_{21560}(173,\cdot)\) \(\chi_{21560}(437,\cdot)\) \(\chi_{21560}(453,\cdot)\) \(\chi_{21560}(677,\cdot)\) \(\chi_{21560}(733,\cdot)\) \(\chi_{21560}(997,\cdot)\) \(\chi_{21560}(1053,\cdot)\) \(\chi_{21560}(1333,\cdot)\) \(\chi_{21560}(1557,\cdot)\) \(\chi_{21560}(1613,\cdot)\) \(\chi_{21560}(2173,\cdot)\) \(\chi_{21560}(2637,\cdot)\) \(\chi_{21560}(2917,\cdot)\) \(\chi_{21560}(3197,\cdot)\) \(\chi_{21560}(3517,\cdot)\) \(\chi_{21560}(3533,\cdot)\) \(\chi_{21560}(3757,\cdot)\) \(\chi_{21560}(3797,\cdot)\) \(\chi_{21560}(3813,\cdot)\) \(\chi_{21560}(4077,\cdot)\) \(\chi_{21560}(4133,\cdot)\) \(\chi_{21560}(4373,\cdot)\) \(\chi_{21560}(4413,\cdot)\) \(\chi_{21560}(4693,\cdot)\) \(\chi_{21560}(5253,\cdot)\) \(\chi_{21560}(5717,\cdot)\) \(\chi_{21560}(6277,\cdot)\) \(\chi_{21560}(6333,\cdot)\) \(\chi_{21560}(6613,\cdot)\) \(\chi_{21560}(6837,\cdot)\) ...

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: $\Q(\zeta_{420})$
Fixed field: Number field defined by a degree 420 polynomial (not computed)

Values on generators

\((5391,10781,12937,20681,11761)\) → \((1,-1,-i,e\left(\frac{37}{42}\right),e\left(\frac{7}{10}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(9\)\(13\)\(17\)\(19\)\(23\)\(27\)\(29\)\(31\)\(37\)
\( \chi_{ 21560 }(10853, a) \) \(-1\)\(1\)\(e\left(\frac{97}{420}\right)\)\(e\left(\frac{97}{210}\right)\)\(e\left(\frac{73}{140}\right)\)\(e\left(\frac{31}{420}\right)\)\(e\left(\frac{14}{15}\right)\)\(e\left(\frac{61}{84}\right)\)\(e\left(\frac{97}{140}\right)\)\(e\left(\frac{53}{70}\right)\)\(e\left(\frac{11}{30}\right)\)\(e\left(\frac{353}{420}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 21560 }(10853,a) \;\) at \(\;a = \) e.g. 2