Properties

Label 4028.7
Modulus $4028$
Conductor $4028$
Order $78$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4028, base_ring=CyclotomicField(78))
 
M = H._module
 
chi = DirichletCharacter(H, M([39,26,21]))
 
pari: [g,chi] = znchar(Mod(7,4028))
 

Basic properties

Modulus: \(4028\)
Conductor: \(4028\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(78\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 4028.cc

\(\chi_{4028}(7,\cdot)\) \(\chi_{4028}(11,\cdot)\) \(\chi_{4028}(163,\cdot)\) \(\chi_{4028}(467,\cdot)\) \(\chi_{4028}(539,\cdot)\) \(\chi_{4028}(695,\cdot)\) \(\chi_{4028}(767,\cdot)\) \(\chi_{4028}(771,\cdot)\) \(\chi_{4028}(1071,\cdot)\) \(\chi_{4028}(1151,\cdot)\) \(\chi_{4028}(1223,\cdot)\) \(\chi_{4028}(1527,\cdot)\) \(\chi_{4028}(1607,\cdot)\) \(\chi_{4028}(1683,\cdot)\) \(\chi_{4028}(1755,\cdot)\) \(\chi_{4028}(1831,\cdot)\) \(\chi_{4028}(2211,\cdot)\) \(\chi_{4028}(2667,\cdot)\) \(\chi_{4028}(2743,\cdot)\) \(\chi_{4028}(2899,\cdot)\) \(\chi_{4028}(2975,\cdot)\) \(\chi_{4028}(3507,\cdot)\) \(\chi_{4028}(3735,\cdot)\) \(\chi_{4028}(3959,\cdot)\)

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: $\Q(\zeta_{39})$
Fixed field: Number field defined by a degree 78 polynomial

Values on generators

\((2015,2757,2281)\) → \((-1,e\left(\frac{1}{3}\right),e\left(\frac{7}{26}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(13\)\(15\)\(17\)\(21\)\(23\)
\( \chi_{ 4028 }(7, a) \) \(-1\)\(1\)\(e\left(\frac{16}{39}\right)\)\(e\left(\frac{77}{78}\right)\)\(e\left(\frac{7}{26}\right)\)\(e\left(\frac{32}{39}\right)\)\(e\left(\frac{3}{26}\right)\)\(e\left(\frac{5}{39}\right)\)\(e\left(\frac{31}{78}\right)\)\(e\left(\frac{1}{39}\right)\)\(e\left(\frac{53}{78}\right)\)\(e\left(\frac{2}{3}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4028 }(7,a) \;\) at \(\;a = \) e.g. 2