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Properties

Label 208.n
Modulus $208$
Conductor $16$
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(208, base_ring=CyclotomicField(4)) M = H._module chi = DirichletCharacter(H, M([0,1,0])) chi.galois_orbit()
 
Copy content pari:[g,chi] = znchar(Mod(53,208)) order = charorder(g,chi) [ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

Basic properties

Modulus: \(208\)
Conductor: \(16\)
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 16.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: \(\Q(\zeta_{16})^+\)

Characters in Galois orbit

Character \(-1\) \(1\) \(3\) \(5\) \(7\) \(9\) \(11\) \(15\) \(17\) \(19\) \(21\) \(23\)
\(\chi_{208}(53,\cdot)\) \(1\) \(1\) \(-i\) \(i\) \(-1\) \(-1\) \(i\) \(1\) \(1\) \(-i\) \(i\) \(-1\)
\(\chi_{208}(157,\cdot)\) \(1\) \(1\) \(i\) \(-i\) \(-1\) \(-1\) \(-i\) \(1\) \(1\) \(i\) \(-i\) \(-1\)