Properties

Label 1875.13
Modulus $1875$
Conductor $625$
Order $500$
Real no
Primitive no
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1875, base_ring=CyclotomicField(500))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,139]))
 
pari: [g,chi] = znchar(Mod(13,1875))
 

Basic properties

Modulus: \(1875\)
Conductor: \(625\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(500\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{625}(13,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1875.w

\(\chi_{1875}(13,\cdot)\) \(\chi_{1875}(22,\cdot)\) \(\chi_{1875}(28,\cdot)\) \(\chi_{1875}(37,\cdot)\) \(\chi_{1875}(52,\cdot)\) \(\chi_{1875}(58,\cdot)\) \(\chi_{1875}(67,\cdot)\) \(\chi_{1875}(73,\cdot)\) \(\chi_{1875}(88,\cdot)\) \(\chi_{1875}(97,\cdot)\) \(\chi_{1875}(103,\cdot)\) \(\chi_{1875}(112,\cdot)\) \(\chi_{1875}(127,\cdot)\) \(\chi_{1875}(133,\cdot)\) \(\chi_{1875}(142,\cdot)\) \(\chi_{1875}(148,\cdot)\) \(\chi_{1875}(163,\cdot)\) \(\chi_{1875}(172,\cdot)\) \(\chi_{1875}(178,\cdot)\) \(\chi_{1875}(187,\cdot)\) \(\chi_{1875}(202,\cdot)\) \(\chi_{1875}(208,\cdot)\) \(\chi_{1875}(217,\cdot)\) \(\chi_{1875}(223,\cdot)\) \(\chi_{1875}(238,\cdot)\) \(\chi_{1875}(247,\cdot)\) \(\chi_{1875}(253,\cdot)\) \(\chi_{1875}(262,\cdot)\) \(\chi_{1875}(277,\cdot)\) \(\chi_{1875}(283,\cdot)\) ...

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: $\Q(\zeta_{500})$
Fixed field: Number field defined by a degree 500 polynomial (not computed)

Values on generators

\((626,1252)\) → \((1,e\left(\frac{139}{500}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(7\)\(8\)\(11\)\(13\)\(14\)\(16\)\(17\)\(19\)
\( \chi_{ 1875 }(13, a) \) \(-1\)\(1\)\(e\left(\frac{139}{500}\right)\)\(e\left(\frac{139}{250}\right)\)\(e\left(\frac{83}{100}\right)\)\(e\left(\frac{417}{500}\right)\)\(e\left(\frac{41}{125}\right)\)\(e\left(\frac{321}{500}\right)\)\(e\left(\frac{27}{250}\right)\)\(e\left(\frac{14}{125}\right)\)\(e\left(\frac{47}{500}\right)\)\(e\left(\frac{51}{250}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1875 }(13,a) \;\) at \(\;a = \) e.g. 2