Properties

Label 3240.61
Modulus $3240$
Conductor $648$
Order $54$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3240, base_ring=CyclotomicField(54))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,27,52,0]))
 
pari: [g,chi] = znchar(Mod(61,3240))
 

Basic properties

Modulus: \(3240\)
Conductor: \(648\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(54\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{648}(61,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 3240.dj

\(\chi_{3240}(61,\cdot)\) \(\chi_{3240}(301,\cdot)\) \(\chi_{3240}(421,\cdot)\) \(\chi_{3240}(661,\cdot)\) \(\chi_{3240}(781,\cdot)\) \(\chi_{3240}(1021,\cdot)\) \(\chi_{3240}(1141,\cdot)\) \(\chi_{3240}(1381,\cdot)\) \(\chi_{3240}(1501,\cdot)\) \(\chi_{3240}(1741,\cdot)\) \(\chi_{3240}(1861,\cdot)\) \(\chi_{3240}(2101,\cdot)\) \(\chi_{3240}(2221,\cdot)\) \(\chi_{3240}(2461,\cdot)\) \(\chi_{3240}(2581,\cdot)\) \(\chi_{3240}(2821,\cdot)\) \(\chi_{3240}(2941,\cdot)\) \(\chi_{3240}(3181,\cdot)\)

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: \(\Q(\zeta_{27})\)
Fixed field: Number field defined by a degree 54 polynomial

Values on generators

\((2431,1621,3161,1297)\) → \((1,-1,e\left(\frac{26}{27}\right),1)\)

First values

\(a\) \(-1\)\(1\)\(7\)\(11\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)
\( \chi_{ 3240 }(61, a) \) \(1\)\(1\)\(e\left(\frac{11}{27}\right)\)\(e\left(\frac{1}{54}\right)\)\(e\left(\frac{11}{54}\right)\)\(e\left(\frac{7}{9}\right)\)\(e\left(\frac{13}{18}\right)\)\(e\left(\frac{16}{27}\right)\)\(e\left(\frac{7}{54}\right)\)\(e\left(\frac{7}{27}\right)\)\(e\left(\frac{17}{18}\right)\)\(e\left(\frac{1}{27}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 3240 }(61,a) \;\) at \(\;a = \) e.g. 2