Properties

Label 7220.7
Modulus $7220$
Conductor $7220$
Order $228$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(7220, base_ring=CyclotomicField(228))
 
M = H._module
 
chi = DirichletCharacter(H, M([114,57,100]))
 
pari: [g,chi] = znchar(Mod(7,7220))
 

Basic properties

Modulus: \(7220\)
Conductor: \(7220\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(228\)
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 7220.ci

\(\chi_{7220}(7,\cdot)\) \(\chi_{7220}(83,\cdot)\) \(\chi_{7220}(87,\cdot)\) \(\chi_{7220}(163,\cdot)\) \(\chi_{7220}(387,\cdot)\) \(\chi_{7220}(463,\cdot)\) \(\chi_{7220}(467,\cdot)\) \(\chi_{7220}(543,\cdot)\) \(\chi_{7220}(767,\cdot)\) \(\chi_{7220}(843,\cdot)\) \(\chi_{7220}(847,\cdot)\) \(\chi_{7220}(923,\cdot)\) \(\chi_{7220}(1147,\cdot)\) \(\chi_{7220}(1223,\cdot)\) \(\chi_{7220}(1227,\cdot)\) \(\chi_{7220}(1303,\cdot)\) \(\chi_{7220}(1527,\cdot)\) \(\chi_{7220}(1603,\cdot)\) \(\chi_{7220}(1607,\cdot)\) \(\chi_{7220}(1683,\cdot)\) \(\chi_{7220}(1907,\cdot)\) \(\chi_{7220}(1983,\cdot)\) \(\chi_{7220}(1987,\cdot)\) \(\chi_{7220}(2063,\cdot)\) \(\chi_{7220}(2287,\cdot)\) \(\chi_{7220}(2363,\cdot)\) \(\chi_{7220}(2367,\cdot)\) \(\chi_{7220}(2443,\cdot)\) \(\chi_{7220}(2667,\cdot)\) \(\chi_{7220}(2743,\cdot)\) ...

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: $\Q(\zeta_{228})$
Fixed field: Number field defined by a degree 228 polynomial (not computed)

Values on generators

\((3611,5777,6861)\) → \((-1,i,e\left(\frac{25}{57}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(21\)\(23\)\(27\)\(29\)
\( \chi_{ 7220 }(7, a) \) \(1\)\(1\)\(e\left(\frac{49}{228}\right)\)\(e\left(\frac{41}{76}\right)\)\(e\left(\frac{49}{114}\right)\)\(e\left(\frac{9}{38}\right)\)\(e\left(\frac{11}{228}\right)\)\(e\left(\frac{85}{228}\right)\)\(e\left(\frac{43}{57}\right)\)\(e\left(\frac{65}{228}\right)\)\(e\left(\frac{49}{76}\right)\)\(e\left(\frac{109}{114}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 7220 }(7,a) \;\) at \(\;a = \) e.g. 2