Properties

Label 2015.79
Modulus $2015$
Conductor $155$
Order $30$
Real no
Primitive no
Minimal yes
Parity odd

Related objects

Learn more about

Show commands for: Pari/GP / SageMath
sage: from sage.modular.dirichlet import DirichletCharacter
 
sage: H = DirichletGroup(2015)
 
sage: M = H._module
 
sage: chi = DirichletCharacter(H, M([15,0,7]))
 
pari: [g,chi] = znchar(Mod(79,2015))
 

Basic properties

Modulus: \(2015\)
Conductor: \(155\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(30\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{155}(79,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2015.fv

\(\chi_{2015}(79,\cdot)\) \(\chi_{2015}(664,\cdot)\) \(\chi_{2015}(859,\cdot)\) \(\chi_{2015}(1119,\cdot)\) \(\chi_{2015}(1314,\cdot)\) \(\chi_{2015}(1509,\cdot)\) \(\chi_{2015}(1574,\cdot)\) \(\chi_{2015}(1964,\cdot)\)

sage: chi.galois_orbit()
 
pari: order = charorder(g,chi)
 
pari: [ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

Values on generators

\((807,1861,716)\) → \((-1,1,e\left(\frac{7}{30}\right))\)

Values

\(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(11\)\(12\)\(14\)
\(-1\)\(1\)\(e\left(\frac{1}{10}\right)\)\(e\left(\frac{11}{15}\right)\)\(e\left(\frac{1}{5}\right)\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{1}{30}\right)\)\(e\left(\frac{3}{10}\right)\)\(e\left(\frac{7}{15}\right)\)\(e\left(\frac{11}{30}\right)\)\(e\left(\frac{14}{15}\right)\)\(e\left(\frac{2}{15}\right)\)
value at e.g. 2

Related number fields

Field of values: \(\Q(\zeta_{15})\)
Fixed field: 30.0.542049797152523742060051576582522667353340789794921875.1