Properties

Label 4015.78
Modulus $4015$
Conductor $365$
Order $72$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4015, base_ring=CyclotomicField(72))
 
M = H._module
 
chi = DirichletCharacter(H, M([54,0,1]))
 
pari: [g,chi] = znchar(Mod(78,4015))
 

Basic properties

Modulus: \(4015\)
Conductor: \(365\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(72\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{365}(78,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 4015.ev

\(\chi_{4015}(78,\cdot)\) \(\chi_{4015}(177,\cdot)\) \(\chi_{4015}(232,\cdot)\) \(\chi_{4015}(672,\cdot)\) \(\chi_{4015}(848,\cdot)\) \(\chi_{4015}(1123,\cdot)\) \(\chi_{4015}(1893,\cdot)\) \(\chi_{4015}(2058,\cdot)\) \(\chi_{4015}(2102,\cdot)\) \(\chi_{4015}(2223,\cdot)\) \(\chi_{4015}(2443,\cdot)\) \(\chi_{4015}(2542,\cdot)\) \(\chi_{4015}(2597,\cdot)\) \(\chi_{4015}(2608,\cdot)\) \(\chi_{4015}(2982,\cdot)\) \(\chi_{4015}(3037,\cdot)\) \(\chi_{4015}(3092,\cdot)\) \(\chi_{4015}(3378,\cdot)\) \(\chi_{4015}(3543,\cdot)\) \(\chi_{4015}(3697,\cdot)\) \(\chi_{4015}(3752,\cdot)\) \(\chi_{4015}(3763,\cdot)\) \(\chi_{4015}(3807,\cdot)\) \(\chi_{4015}(3928,\cdot)\)

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: $\Q(\zeta_{72})$
Fixed field: Number field defined by a degree 72 polynomial

Values on generators

\((1607,2191,881)\) → \((-i,1,e\left(\frac{1}{72}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(12\)\(13\)\(14\)
\( \chi_{ 4015 }(78, a) \) \(1\)\(1\)\(e\left(\frac{31}{36}\right)\)\(e\left(\frac{1}{3}\right)\)\(e\left(\frac{13}{18}\right)\)\(e\left(\frac{7}{36}\right)\)\(e\left(\frac{5}{24}\right)\)\(e\left(\frac{7}{12}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{1}{18}\right)\)\(e\left(\frac{5}{72}\right)\)\(e\left(\frac{5}{72}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4015 }(78,a) \;\) at \(\;a = \) e.g. 2