Properties

Label 1400.1007
Modulus $1400$
Conductor $140$
Order $4$
Real no
Primitive no
Minimal no
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1400, base_ring=CyclotomicField(4))
 
M = H._module
 
chi = DirichletCharacter(H, M([2,0,1,2]))
 
pari: [g,chi] = znchar(Mod(1007,1400))
 

Basic properties

Modulus: \(1400\)
Conductor: \(140\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(4\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{140}(27,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1400.r

\(\chi_{1400}(1007,\cdot)\) \(\chi_{1400}(1343,\cdot)\)

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: \(\Q(\sqrt{-1}) \)
Fixed field: 4.0.98000.1

Values on generators

\((351,701,1177,801)\) → \((-1,1,i,-1)\)

First values

\(a\) \(-1\)\(1\)\(3\)\(9\)\(11\)\(13\)\(17\)\(19\)\(23\)\(27\)\(29\)\(31\)
\( \chi_{ 1400 }(1007, a) \) \(-1\)\(1\)\(-i\)\(-1\)\(-1\)\(i\)\(-i\)\(-1\)\(i\)\(i\)\(-1\)\(1\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1400 }(1007,a) \;\) at \(\;a = \) e.g. 2