Properties

Label 7440.49
Modulus $7440$
Conductor $155$
Order $30$
Real no
Primitive no
Minimal no
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(7440, base_ring=CyclotomicField(30))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,0,0,15,26]))
 
pari: [g,chi] = znchar(Mod(49,7440))
 

Basic properties

Modulus: \(7440\)
Conductor: \(155\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(30\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{155}(49,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 7440.jq

\(\chi_{7440}(49,\cdot)\) \(\chi_{7440}(289,\cdot)\) \(\chi_{7440}(1249,\cdot)\) \(\chi_{7440}(3169,\cdot)\) \(\chi_{7440}(3889,\cdot)\) \(\chi_{7440}(5329,\cdot)\) \(\chi_{7440}(5569,\cdot)\) \(\chi_{7440}(6529,\cdot)\)

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: \(\Q(\zeta_{15})\)
Fixed field: 30.30.17485477327500765872904889567178150559785186767578125.1

Values on generators

\((6511,1861,4961,2977,5521)\) → \((1,1,1,-1,e\left(\frac{13}{15}\right))\)

First values

\(a\) \(-1\)\(1\)\(7\)\(11\)\(13\)\(17\)\(19\)\(23\)\(29\)\(37\)\(41\)\(43\)
\( \chi_{ 7440 }(49, a) \) \(1\)\(1\)\(e\left(\frac{23}{30}\right)\)\(e\left(\frac{14}{15}\right)\)\(e\left(\frac{1}{30}\right)\)\(e\left(\frac{17}{30}\right)\)\(e\left(\frac{7}{15}\right)\)\(e\left(\frac{9}{10}\right)\)\(e\left(\frac{4}{5}\right)\)\(e\left(\frac{1}{6}\right)\)\(e\left(\frac{2}{15}\right)\)\(e\left(\frac{29}{30}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 7440 }(49,a) \;\) at \(\;a = \) e.g. 2