Properties

Label 1648.3
Modulus $1648$
Conductor $1648$
Order $68$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1648, base_ring=CyclotomicField(68))
 
M = H._module
 
chi = DirichletCharacter(H, M([34,51,26]))
 
pari: [g,chi] = znchar(Mod(3,1648))
 

Basic properties

Modulus: \(1648\)
Conductor: \(1648\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(68\)
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 1648.bh

\(\chi_{1648}(3,\cdot)\) \(\chi_{1648}(27,\cdot)\) \(\chi_{1648}(243,\cdot)\) \(\chi_{1648}(275,\cdot)\) \(\chi_{1648}(331,\cdot)\) \(\chi_{1648}(403,\cdot)\) \(\chi_{1648}(443,\cdot)\) \(\chi_{1648}(451,\cdot)\) \(\chi_{1648}(507,\cdot)\) \(\chi_{1648}(539,\cdot)\) \(\chi_{1648}(595,\cdot)\) \(\chi_{1648}(691,\cdot)\) \(\chi_{1648}(707,\cdot)\) \(\chi_{1648}(731,\cdot)\) \(\chi_{1648}(763,\cdot)\) \(\chi_{1648}(811,\cdot)\) \(\chi_{1648}(827,\cdot)\) \(\chi_{1648}(851,\cdot)\) \(\chi_{1648}(1067,\cdot)\) \(\chi_{1648}(1099,\cdot)\) \(\chi_{1648}(1155,\cdot)\) \(\chi_{1648}(1227,\cdot)\) \(\chi_{1648}(1267,\cdot)\) \(\chi_{1648}(1275,\cdot)\) \(\chi_{1648}(1331,\cdot)\) \(\chi_{1648}(1363,\cdot)\) \(\chi_{1648}(1419,\cdot)\) \(\chi_{1648}(1515,\cdot)\) \(\chi_{1648}(1531,\cdot)\) \(\chi_{1648}(1555,\cdot)\) ...

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: $\Q(\zeta_{68})$
Fixed field: Number field defined by a degree 68 polynomial

Values on generators

\((207,1237,417)\) → \((-1,-i,e\left(\frac{13}{34}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(21\)
\( \chi_{ 1648 }(3, a) \) \(1\)\(1\)\(e\left(\frac{45}{68}\right)\)\(e\left(\frac{9}{68}\right)\)\(e\left(\frac{9}{17}\right)\)\(e\left(\frac{11}{34}\right)\)\(e\left(\frac{39}{68}\right)\)\(e\left(\frac{53}{68}\right)\)\(e\left(\frac{27}{34}\right)\)\(e\left(\frac{13}{17}\right)\)\(e\left(\frac{23}{68}\right)\)\(e\left(\frac{13}{68}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1648 }(3,a) \;\) at \(\;a = \) e.g. 2