Properties

Label 7220.9
Modulus $7220$
Conductor $1805$
Order $342$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(7220, base_ring=CyclotomicField(342))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,171,278]))
 
pari: [g,chi] = znchar(Mod(9,7220))
 

Basic properties

Modulus: \(7220\)
Conductor: \(1805\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(342\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{1805}(9,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 7220.cl

\(\chi_{7220}(9,\cdot)\) \(\chi_{7220}(149,\cdot)\) \(\chi_{7220}(169,\cdot)\) \(\chi_{7220}(289,\cdot)\) \(\chi_{7220}(309,\cdot)\) \(\chi_{7220}(329,\cdot)\) \(\chi_{7220}(529,\cdot)\) \(\chi_{7220}(549,\cdot)\) \(\chi_{7220}(669,\cdot)\) \(\chi_{7220}(689,\cdot)\) \(\chi_{7220}(709,\cdot)\) \(\chi_{7220}(769,\cdot)\) \(\chi_{7220}(909,\cdot)\) \(\chi_{7220}(929,\cdot)\) \(\chi_{7220}(1049,\cdot)\) \(\chi_{7220}(1069,\cdot)\) \(\chi_{7220}(1089,\cdot)\) \(\chi_{7220}(1149,\cdot)\) \(\chi_{7220}(1289,\cdot)\) \(\chi_{7220}(1309,\cdot)\) \(\chi_{7220}(1429,\cdot)\) \(\chi_{7220}(1449,\cdot)\) \(\chi_{7220}(1469,\cdot)\) \(\chi_{7220}(1529,\cdot)\) \(\chi_{7220}(1669,\cdot)\) \(\chi_{7220}(1809,\cdot)\) \(\chi_{7220}(1829,\cdot)\) \(\chi_{7220}(1849,\cdot)\) \(\chi_{7220}(1909,\cdot)\) \(\chi_{7220}(2049,\cdot)\) ...

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: $\Q(\zeta_{171})$
Fixed field: Number field defined by a degree 342 polynomial (not computed)

Values on generators

\((3611,5777,6861)\) → \((1,-1,e\left(\frac{139}{171}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(21\)\(23\)\(27\)\(29\)
\( \chi_{ 7220 }(9, a) \) \(1\)\(1\)\(e\left(\frac{167}{342}\right)\)\(e\left(\frac{49}{114}\right)\)\(e\left(\frac{167}{171}\right)\)\(e\left(\frac{52}{57}\right)\)\(e\left(\frac{319}{342}\right)\)\(e\left(\frac{71}{342}\right)\)\(e\left(\frac{157}{171}\right)\)\(e\left(\frac{61}{342}\right)\)\(e\left(\frac{53}{114}\right)\)\(e\left(\frac{140}{171}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 7220 }(9,a) \;\) at \(\;a = \) e.g. 2