Properties

Label 221760.127
Modulus $221760$
Conductor $220$
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(221760, base_ring=CyclotomicField(20))
 
M = H._module
 
chi = DirichletCharacter(H, M([10,0,0,5,0,18]))
 
pari: [g,chi] = znchar(Mod(127,221760))
 

Basic properties

Modulus: \(221760\)
Conductor: \(220\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(20\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{220}(127,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 221760.bok

\(\chi_{221760}(127,\cdot)\) \(\chi_{221760}(12223,\cdot)\) \(\chi_{221760}(52543,\cdot)\) \(\chi_{221760}(60607,\cdot)\) \(\chi_{221760}(100927,\cdot)\) \(\chi_{221760}(133183,\cdot)\) \(\chi_{221760}(141247,\cdot)\) \(\chi_{221760}(193663,\cdot)\)

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: 20.0.177917354031751407392000000000000000.1

Values on generators

\((48511,124741,98561,133057,190081,141121)\) → \((-1,1,1,i,1,e\left(\frac{9}{10}\right))\)

First values

\(a\) \(-1\)\(1\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)\(43\)\(47\)
\( \chi_{ 221760 }(127, a) \) \(-1\)\(1\)\(e\left(\frac{13}{20}\right)\)\(e\left(\frac{7}{20}\right)\)\(e\left(\frac{7}{10}\right)\)\(i\)\(e\left(\frac{4}{5}\right)\)\(e\left(\frac{9}{10}\right)\)\(e\left(\frac{1}{20}\right)\)\(e\left(\frac{7}{10}\right)\)\(-i\)\(e\left(\frac{19}{20}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 221760 }(127,a) \;\) at \(\;a = \) e.g. 2