Properties

Label 2420.829
Modulus $2420$
Conductor $605$
Order $110$
Real no
Primitive no
Minimal yes
Parity even

Related objects

Downloads

Learn more

Show commands: Magma / Pari/GP / SageMath
Copy content comment:Define the Dirichlet character
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(2420, base_ring=CyclotomicField(110)) M = H._module chi = DirichletCharacter(H, M([0,55,12]))
 
Copy content gp:[g,chi] = znchar(Mod(829, 2420))
 
Copy content magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("2420.829");
 

Basic properties

Modulus: \(2420\)
Copy content comment:Modulus
 
Copy content sage:chi.modulus()
 
Copy content gp:g[1][1]
 
Copy content magma:Modulus(chi);
 
Conductor: \(605\)
Copy content comment:Conductor
 
Copy content sage:chi.conductor()
 
Copy content gp:znconreyconductor(g,chi)
 
Copy content magma:Conductor(chi);
 
Order: \(110\)
Copy content comment:Order
 
Copy content sage:chi.multiplicative_order()
 
Copy content gp:charorder(g,chi)
 
Copy content magma:Order(chi);
 
Real: no
Copy content comment:Whether the character is real
 
Copy content sage:chi.multiplicative_order() <= 2
 
Copy content gp:charorder(g,chi) <= 2
 
Copy content magma:Order(chi) le 2;
 
Primitive: no, induced from \(\chi_{605}(224,\cdot)\)
Copy content comment:If the character is primitive
 
Copy content sage:chi.is_primitive()
 
Copy content gp:#znconreyconductor(g,chi)==1
 
Copy content magma:IsPrimitive(chi);
 
Minimal: yes
Parity: even
Copy content comment:Parity
 
Copy content sage:chi.is_odd()
 
Copy content gp:zncharisodd(g,chi)
 
Copy content magma:IsOdd(chi);
 

Galois orbit 2420.bo

\(\chi_{2420}(49,\cdot)\) \(\chi_{2420}(69,\cdot)\) \(\chi_{2420}(169,\cdot)\) \(\chi_{2420}(229,\cdot)\) \(\chi_{2420}(289,\cdot)\) \(\chi_{2420}(389,\cdot)\) \(\chi_{2420}(449,\cdot)\) \(\chi_{2420}(489,\cdot)\) \(\chi_{2420}(509,\cdot)\) \(\chi_{2420}(609,\cdot)\) \(\chi_{2420}(669,\cdot)\) \(\chi_{2420}(709,\cdot)\) \(\chi_{2420}(829,\cdot)\) \(\chi_{2420}(889,\cdot)\) \(\chi_{2420}(929,\cdot)\) \(\chi_{2420}(949,\cdot)\) \(\chi_{2420}(1109,\cdot)\) \(\chi_{2420}(1149,\cdot)\) \(\chi_{2420}(1169,\cdot)\) \(\chi_{2420}(1269,\cdot)\) \(\chi_{2420}(1329,\cdot)\) \(\chi_{2420}(1369,\cdot)\) \(\chi_{2420}(1389,\cdot)\) \(\chi_{2420}(1489,\cdot)\) \(\chi_{2420}(1549,\cdot)\) \(\chi_{2420}(1589,\cdot)\) \(\chi_{2420}(1609,\cdot)\) \(\chi_{2420}(1709,\cdot)\) \(\chi_{2420}(1769,\cdot)\) \(\chi_{2420}(1809,\cdot)\) ...

Copy content comment:Galois orbit
 
Copy content sage:chi.galois_orbit()
 
Copy content gp:order = charorder(g,chi) [ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 
Copy content magma:order := Order(chi); { chi^k : k in [1..order-1] | GCD(k,order) eq 1 };
 

Related number fields

Field of values: $\Q(\zeta_{55})$
Copy content comment:Field of values of chi
 
Copy content sage:CyclotomicField(chi.multiplicative_order())
 
Copy content gp:nfinit(polcyclo(charorder(g,chi)))
 
Copy content magma:CyclotomicField(Order(chi));
 
Fixed field: Number field defined by a degree 110 polynomial (not computed)
Copy content comment:Fixed field
 
Copy content sage:chi.fixed_field()
 

Values on generators

\((1211,1937,2301)\) → \((1,-1,e\left(\frac{6}{55}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(13\)\(17\)\(19\)\(21\)\(23\)\(27\)\(29\)
\( \chi_{ 2420 }(829, a) \) \(1\)\(1\)\(e\left(\frac{1}{10}\right)\)\(e\left(\frac{29}{110}\right)\)\(e\left(\frac{1}{5}\right)\)\(e\left(\frac{57}{110}\right)\)\(e\left(\frac{93}{110}\right)\)\(e\left(\frac{3}{55}\right)\)\(e\left(\frac{4}{11}\right)\)\(e\left(\frac{3}{22}\right)\)\(e\left(\frac{3}{10}\right)\)\(e\left(\frac{47}{55}\right)\)
Copy content comment:Value of chi at x
 
Copy content sage:chi(x) # x integer
 
Copy content gp:chareval(g,chi,x) \\ x integer, value in Q/Z
 
Copy content magma:chi(x)
 
\( \chi_{ 2420 }(829,a) \;\) at \(\;a = \) e.g. 2