Properties

Label 8820.7661
Modulus $8820$
Conductor $441$
Order $42$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: Pari/GP / SageMath
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(8820, base_ring=CyclotomicField(42)) M = H._module chi = DirichletCharacter(H, M([0,7,0,25]))
 
Copy content pari:[g,chi] = znchar(Mod(7661,8820))
 

Basic properties

Modulus: \(8820\)
Conductor: \(441\)
Copy content sage:chi.conductor()
 
Copy content pari:znconreyconductor(g,chi)
 
Order: \(42\)
Copy content sage:chi.multiplicative_order()
 
Copy content pari:charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{441}(164,\cdot)\)
Copy content sage:chi.is_primitive()
 
Copy content pari:#znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
Copy content sage:chi.is_odd()
 
Copy content pari:zncharisodd(g,chi)
 

Galois orbit 8820.gi

\(\chi_{8820}(101,\cdot)\) \(\chi_{8820}(761,\cdot)\) \(\chi_{8820}(1361,\cdot)\) \(\chi_{8820}(2021,\cdot)\) \(\chi_{8820}(2621,\cdot)\) \(\chi_{8820}(3281,\cdot)\) \(\chi_{8820}(3881,\cdot)\) \(\chi_{8820}(4541,\cdot)\) \(\chi_{8820}(5141,\cdot)\) \(\chi_{8820}(7061,\cdot)\) \(\chi_{8820}(7661,\cdot)\) \(\chi_{8820}(8321,\cdot)\)

Copy content sage:chi.galois_orbit()
 
Copy content pari: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: Number field defined by a degree 42 polynomial

Values on generators

\((4411,7841,7057,1081)\) → \((1,e\left(\frac{1}{6}\right),1,e\left(\frac{25}{42}\right))\)

First values

\(a\) \(-1\)\(1\)\(11\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)\(43\)
\( \chi_{ 8820 }(7661, a) \) \(1\)\(1\)\(e\left(\frac{41}{42}\right)\)\(e\left(\frac{41}{42}\right)\)\(e\left(\frac{8}{21}\right)\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{19}{42}\right)\)\(e\left(\frac{37}{42}\right)\)\(-1\)\(e\left(\frac{1}{21}\right)\)\(e\left(\frac{16}{21}\right)\)\(e\left(\frac{5}{21}\right)\)
Copy content sage:chi.jacobi_sum(n)
 
\( \chi_{ 8820 }(7661,a) \;\) at \(\;a = \) e.g. 2