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Properties

Label 2380.x
Modulus $2380$
Conductor $20$
Order $4$
Real no
Primitive no
Minimal yes
Parity even

Related objects

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Show commands: Pari/GP / SageMath
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(2380, base_ring=CyclotomicField(4)) M = H._module chi = DirichletCharacter(H, M([2,1,0,0])) chi.galois_orbit()
 
Copy content pari:[g,chi] = znchar(Mod(1667,2380)) order = charorder(g,chi) [ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

Basic properties

Modulus: \(2380\)
Conductor: \(20\)
Copy content sage:chi.conductor()
 
Copy content pari:znconreyconductor(g,chi)
 
Order: \(4\)
Copy content sage:chi.multiplicative_order()
 
Copy content pari:charorder(g,chi)
 
Real: no
Primitive: no, induced from 20.e
Copy content sage:chi.is_primitive()
 
Copy content pari:#znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
Copy content sage:chi.is_odd()
 
Copy content pari:zncharisodd(g,chi)
 

Related number fields

Field of values: \(\mathbb{Q}(i)\)
Fixed field: \(\Q(\zeta_{20})^+\)

Characters in Galois orbit

Character \(-1\) \(1\) \(3\) \(9\) \(11\) \(13\) \(19\) \(23\) \(27\) \(29\) \(31\) \(33\)
\(\chi_{2380}(1667,\cdot)\) \(1\) \(1\) \(i\) \(-1\) \(-1\) \(-i\) \(1\) \(i\) \(-i\) \(-1\) \(-1\) \(-i\)
\(\chi_{2380}(2143,\cdot)\) \(1\) \(1\) \(-i\) \(-1\) \(-1\) \(i\) \(1\) \(-i\) \(i\) \(-1\) \(-1\) \(i\)