Properties

Label 6720.157
Modulus $6720$
Conductor $2240$
Order $48$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(6720, base_ring=CyclotomicField(48))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,33,0,12,8]))
 
pari: [g,chi] = znchar(Mod(157,6720))
 

Basic properties

Modulus: \(6720\)
Conductor: \(2240\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(48\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{2240}(157,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 6720.jw

\(\chi_{6720}(157,\cdot)\) \(\chi_{6720}(397,\cdot)\) \(\chi_{6720}(1333,\cdot)\) \(\chi_{6720}(1573,\cdot)\) \(\chi_{6720}(1837,\cdot)\) \(\chi_{6720}(2077,\cdot)\) \(\chi_{6720}(3013,\cdot)\) \(\chi_{6720}(3253,\cdot)\) \(\chi_{6720}(3517,\cdot)\) \(\chi_{6720}(3757,\cdot)\) \(\chi_{6720}(4693,\cdot)\) \(\chi_{6720}(4933,\cdot)\) \(\chi_{6720}(5197,\cdot)\) \(\chi_{6720}(5437,\cdot)\) \(\chi_{6720}(6373,\cdot)\) \(\chi_{6720}(6613,\cdot)\)

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: \(\Q(\zeta_{48})\)
Fixed field: Number field defined by a degree 48 polynomial

Values on generators

\((1471,3781,4481,5377,1921)\) → \((1,e\left(\frac{11}{16}\right),1,i,e\left(\frac{1}{6}\right))\)

First values

\(a\) \(-1\)\(1\)\(11\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)\(43\)
\( \chi_{ 6720 }(157, a) \) \(1\)\(1\)\(e\left(\frac{5}{48}\right)\)\(e\left(\frac{9}{16}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{7}{48}\right)\)\(e\left(\frac{17}{24}\right)\)\(e\left(\frac{1}{16}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{37}{48}\right)\)\(e\left(\frac{1}{8}\right)\)\(e\left(\frac{11}{16}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 6720 }(157,a) \;\) at \(\;a = \) e.g. 2