Properties

Label 4015.2
Modulus $4015$
Conductor $4015$
Order $180$
Real no
Primitive yes
Minimal yes
Parity even

Related objects

Downloads

Learn more

Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4015, base_ring=CyclotomicField(180))
 
M = H._module
 
chi = DirichletCharacter(H, M([45,18,20]))
 
pari: [g,chi] = znchar(Mod(2,4015))
 

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.fz

\(\chi_{4015}(2,\cdot)\) \(\chi_{4015}(128,\cdot)\) \(\chi_{4015}(162,\cdot)\) \(\chi_{4015}(178,\cdot)\) \(\chi_{4015}(183,\cdot)\) \(\chi_{4015}(347,\cdot)\) \(\chi_{4015}(402,\cdot)\) \(\chi_{4015}(442,\cdot)\) \(\chi_{4015}(513,\cdot)\) \(\chi_{4015}(673,\cdot)\) \(\chi_{4015}(712,\cdot)\) \(\chi_{4015}(732,\cdot)\) \(\chi_{4015}(767,\cdot)\) \(\chi_{4015}(908,\cdot)\) \(\chi_{4015}(953,\cdot)\) \(\chi_{4015}(1097,\cdot)\) \(\chi_{4015}(1172,\cdot)\) \(\chi_{4015}(1223,\cdot)\) \(\chi_{4015}(1273,\cdot)\) \(\chi_{4015}(1278,\cdot)\) \(\chi_{4015}(1403,\cdot)\) \(\chi_{4015}(1492,\cdot)\) \(\chi_{4015}(1537,\cdot)\) \(\chi_{4015}(1608,\cdot)\) \(\chi_{4015}(1768,\cdot)\) \(\chi_{4015}(1953,\cdot)\) \(\chi_{4015}(1987,\cdot)\) \(\chi_{4015}(2008,\cdot)\) \(\chi_{4015}(2048,\cdot)\) \(\chi_{4015}(2318,\cdot)\) ...

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

\((1607,2191,881)\) → \((i,e\left(\frac{1}{10}\right),e\left(\frac{1}{9}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(12\)\(13\)\(14\)
\( \chi_{ 4015 }(2, a) \) \(1\)\(1\)\(e\left(\frac{43}{180}\right)\)\(e\left(\frac{13}{60}\right)\)\(e\left(\frac{43}{90}\right)\)\(e\left(\frac{41}{90}\right)\)\(e\left(\frac{37}{60}\right)\)\(e\left(\frac{43}{60}\right)\)\(e\left(\frac{13}{30}\right)\)\(e\left(\frac{25}{36}\right)\)\(e\left(\frac{73}{180}\right)\)\(e\left(\frac{77}{90}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4015 }(2,a) \;\) at \(\;a = \) e.g. 2