Properties

Label 1470.407
Modulus $1470$
Conductor $735$
Order $28$
Real no
Primitive no
Minimal yes
Parity even

Related objects

Downloads

Learn more

Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1470, base_ring=CyclotomicField(28))
 
M = H._module
 
chi = DirichletCharacter(H, M([14,7,20]))
 
pari: [g,chi] = znchar(Mod(407,1470))
 

Basic properties

Modulus: \(1470\)
Conductor: \(735\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(28\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{735}(407,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1470.bj

\(\chi_{1470}(113,\cdot)\) \(\chi_{1470}(323,\cdot)\) \(\chi_{1470}(407,\cdot)\) \(\chi_{1470}(533,\cdot)\) \(\chi_{1470}(617,\cdot)\) \(\chi_{1470}(743,\cdot)\) \(\chi_{1470}(827,\cdot)\) \(\chi_{1470}(953,\cdot)\) \(\chi_{1470}(1037,\cdot)\) \(\chi_{1470}(1163,\cdot)\) \(\chi_{1470}(1247,\cdot)\) \(\chi_{1470}(1457,\cdot)\)

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: \(\Q(\zeta_{28})\)
Fixed field: Number field defined by a degree 28 polynomial

Values on generators

\((491,1177,1081)\) → \((-1,i,e\left(\frac{5}{7}\right))\)

First values

\(a\) \(-1\)\(1\)\(11\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)\(43\)
\( \chi_{ 1470 }(407, a) \) \(1\)\(1\)\(e\left(\frac{1}{14}\right)\)\(e\left(\frac{9}{28}\right)\)\(e\left(\frac{17}{28}\right)\)\(-1\)\(e\left(\frac{11}{28}\right)\)\(e\left(\frac{6}{7}\right)\)\(1\)\(e\left(\frac{3}{28}\right)\)\(e\left(\frac{3}{14}\right)\)\(e\left(\frac{1}{28}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1470 }(407,a) \;\) at \(\;a = \) e.g. 2