Properties

Label 4015.18
Modulus $4015$
Conductor $4015$
Order $180$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4015, base_ring=CyclotomicField(180))
 
M = H._module
 
chi = DirichletCharacter(H, M([135,126,50]))
 
pari: [g,chi] = znchar(Mod(18,4015))
 

Basic properties

Modulus: \(4015\)
Conductor: \(4015\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(180\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 4015.fx

\(\chi_{4015}(18,\cdot)\) \(\chi_{4015}(57,\cdot)\) \(\chi_{4015}(182,\cdot)\) \(\chi_{4015}(217,\cdot)\) \(\chi_{4015}(237,\cdot)\) \(\chi_{4015}(288,\cdot)\) \(\chi_{4015}(547,\cdot)\) \(\chi_{4015}(552,\cdot)\) \(\chi_{4015}(568,\cdot)\) \(\chi_{4015}(602,\cdot)\) \(\chi_{4015}(728,\cdot)\) \(\chi_{4015}(787,\cdot)\) \(\chi_{4015}(1018,\cdot)\) \(\chi_{4015}(1058,\cdot)\) \(\chi_{4015}(1063,\cdot)\) \(\chi_{4015}(1113,\cdot)\) \(\chi_{4015}(1152,\cdot)\) \(\chi_{4015}(1282,\cdot)\) \(\chi_{4015}(1383,\cdot)\) \(\chi_{4015}(1458,\cdot)\) \(\chi_{4015}(1602,\cdot)\) \(\chi_{4015}(1647,\cdot)\) \(\chi_{4015}(1663,\cdot)\) \(\chi_{4015}(1788,\cdot)\) \(\chi_{4015}(1823,\cdot)\) \(\chi_{4015}(1843,\cdot)\) \(\chi_{4015}(2042,\cdot)\) \(\chi_{4015}(2153,\cdot)\) \(\chi_{4015}(2158,\cdot)\) \(\chi_{4015}(2208,\cdot)\) ...

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: $\Q(\zeta_{180})$
Fixed field: Number field defined by a degree 180 polynomial (not computed)

Values on generators

\((1607,2191,881)\) → \((-i,e\left(\frac{7}{10}\right),e\left(\frac{5}{18}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(12\)\(13\)\(14\)
\( \chi_{ 4015 }(18, a) \) \(1\)\(1\)\(e\left(\frac{121}{180}\right)\)\(e\left(\frac{31}{60}\right)\)\(e\left(\frac{31}{90}\right)\)\(e\left(\frac{17}{90}\right)\)\(e\left(\frac{49}{60}\right)\)\(e\left(\frac{1}{60}\right)\)\(e\left(\frac{1}{30}\right)\)\(e\left(\frac{31}{36}\right)\)\(e\left(\frac{61}{180}\right)\)\(e\left(\frac{22}{45}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4015 }(18,a) \;\) at \(\;a = \) e.g. 2