Properties

Label 2013.13
Modulus $2013$
Conductor $671$
Order $30$
Real no
Primitive no
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2013, base_ring=CyclotomicField(30))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,3,20]))
 
pari: [g,chi] = znchar(Mod(13,2013))
 

Basic properties

Modulus: \(2013\)
Conductor: \(671\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(30\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{671}(13,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2013.ep

\(\chi_{2013}(13,\cdot)\) \(\chi_{2013}(535,\cdot)\) \(\chi_{2013}(745,\cdot)\) \(\chi_{2013}(1084,\cdot)\) \(\chi_{2013}(1267,\cdot)\) \(\chi_{2013}(1294,\cdot)\) \(\chi_{2013}(1843,\cdot)\) \(\chi_{2013}(1999,\cdot)\)

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: \(\Q(\zeta_{15})\)
Fixed field: 30.0.6671126861411628234277079565695510248853566661816916032716309571.1

Values on generators

\((1343,1465,1222)\) → \((1,e\left(\frac{1}{10}\right),e\left(\frac{2}{3}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(5\)\(7\)\(8\)\(10\)\(13\)\(14\)\(16\)\(17\)
\( \chi_{ 2013 }(13, a) \) \(-1\)\(1\)\(e\left(\frac{23}{30}\right)\)\(e\left(\frac{8}{15}\right)\)\(e\left(\frac{1}{15}\right)\)\(e\left(\frac{11}{30}\right)\)\(e\left(\frac{3}{10}\right)\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{23}{30}\right)\)\(e\left(\frac{2}{15}\right)\)\(e\left(\frac{1}{15}\right)\)\(e\left(\frac{7}{30}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2013 }(13,a) \;\) at \(\;a = \) e.g. 2