Properties

Label 1225.82
Modulus $1225$
Conductor $245$
Order $84$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1225, base_ring=CyclotomicField(84))
 
M = H._module
 
chi = DirichletCharacter(H, M([21,82]))
 
pari: [g,chi] = znchar(Mod(82,1225))
 

Basic properties

Modulus: \(1225\)
Conductor: \(245\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(84\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{245}(82,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1225.bn

\(\chi_{1225}(82,\cdot)\) \(\chi_{1225}(143,\cdot)\) \(\chi_{1225}(157,\cdot)\) \(\chi_{1225}(243,\cdot)\) \(\chi_{1225}(257,\cdot)\) \(\chi_{1225}(318,\cdot)\) \(\chi_{1225}(332,\cdot)\) \(\chi_{1225}(418,\cdot)\) \(\chi_{1225}(432,\cdot)\) \(\chi_{1225}(493,\cdot)\) \(\chi_{1225}(507,\cdot)\) \(\chi_{1225}(593,\cdot)\) \(\chi_{1225}(682,\cdot)\) \(\chi_{1225}(768,\cdot)\) \(\chi_{1225}(782,\cdot)\) \(\chi_{1225}(843,\cdot)\) \(\chi_{1225}(857,\cdot)\) \(\chi_{1225}(943,\cdot)\) \(\chi_{1225}(957,\cdot)\) \(\chi_{1225}(1018,\cdot)\) \(\chi_{1225}(1032,\cdot)\) \(\chi_{1225}(1118,\cdot)\) \(\chi_{1225}(1132,\cdot)\) \(\chi_{1225}(1193,\cdot)\)

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: $\Q(\zeta_{84})$
Fixed field: Number field defined by a degree 84 polynomial

Values on generators

\((1177,101)\) → \((i,e\left(\frac{41}{42}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(8\)\(9\)\(11\)\(12\)\(13\)\(16\)
\( \chi_{ 1225 }(82, a) \) \(1\)\(1\)\(e\left(\frac{53}{84}\right)\)\(e\left(\frac{61}{84}\right)\)\(e\left(\frac{11}{42}\right)\)\(e\left(\frac{5}{14}\right)\)\(e\left(\frac{25}{28}\right)\)\(e\left(\frac{19}{42}\right)\)\(e\left(\frac{1}{21}\right)\)\(e\left(\frac{83}{84}\right)\)\(e\left(\frac{27}{28}\right)\)\(e\left(\frac{11}{21}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1225 }(82,a) \;\) at \(\;a = \) e.g. 2