Properties

Label 1225.74
Modulus $1225$
Conductor $245$
Order $42$
Real no
Primitive no
Minimal no
Parity even

Related objects

Downloads

Learn more

Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1225, base_ring=CyclotomicField(42))
 
M = H._module
 
chi = DirichletCharacter(H, M([21,16]))
 
pari: [g,chi] = znchar(Mod(74,1225))
 

Basic properties

Modulus: \(1225\)
Conductor: \(245\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(42\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{245}(74,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1225.be

\(\chi_{1225}(74,\cdot)\) \(\chi_{1225}(149,\cdot)\) \(\chi_{1225}(249,\cdot)\) \(\chi_{1225}(424,\cdot)\) \(\chi_{1225}(499,\cdot)\) \(\chi_{1225}(599,\cdot)\) \(\chi_{1225}(674,\cdot)\) \(\chi_{1225}(774,\cdot)\) \(\chi_{1225}(849,\cdot)\) \(\chi_{1225}(1024,\cdot)\) \(\chi_{1225}(1124,\cdot)\) \(\chi_{1225}(1199,\cdot)\)

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: \(\Q(\zeta_{21})\)
Fixed field: 42.42.8050468075656610214837511220114705524038488445061950919170859146595001220703125.1

Values on generators

\((1177,101)\) → \((-1,e\left(\frac{8}{21}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(8\)\(9\)\(11\)\(12\)\(13\)\(16\)
\( \chi_{ 1225 }(74, a) \) \(1\)\(1\)\(e\left(\frac{17}{42}\right)\)\(e\left(\frac{37}{42}\right)\)\(e\left(\frac{17}{21}\right)\)\(e\left(\frac{2}{7}\right)\)\(e\left(\frac{3}{14}\right)\)\(e\left(\frac{16}{21}\right)\)\(e\left(\frac{5}{21}\right)\)\(e\left(\frac{29}{42}\right)\)\(e\left(\frac{1}{14}\right)\)\(e\left(\frac{13}{21}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1225 }(74,a) \;\) at \(\;a = \) e.g. 2