Properties

Label 2120.1.bx.b
Level $2120$
Weight $1$
Character orbit 2120.bx
Analytic conductor $1.058$
Analytic rank $0$
Dimension $12$
Projective image $D_{13}$
CM discriminant -40
Inner twists $4$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2120,1,Mod(99,2120)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2120, base_ring=CyclotomicField(26))
 
chi = DirichletCharacter(H, H._module([13, 13, 13, 20]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2120.99");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2120 = 2^{3} \cdot 5 \cdot 53 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 2120.bx (of order \(26\), degree \(12\), minimal)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(1.05801782678\)
Analytic rank: \(0\)
Dimension: \(12\)
Coefficient field: \(\Q(\zeta_{26})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - x^{11} + x^{10} - x^{9} + x^{8} - x^{7} + x^{6} - x^{5} + x^{4} - x^{3} + x^{2} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{13}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{13} - \cdots)\)

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

The \(q\)-expansion and trace form are shown below.

\(f(q)\) \(=\) \( q + \zeta_{26}^{3} q^{2} + \zeta_{26}^{6} q^{4} + \zeta_{26}^{11} q^{5} + (\zeta_{26}^{5} + \zeta_{26}) q^{7} + \zeta_{26}^{9} q^{8} - \zeta_{26}^{11} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{26}^{3} q^{2} + \zeta_{26}^{6} q^{4} + \zeta_{26}^{11} q^{5} + (\zeta_{26}^{5} + \zeta_{26}) q^{7} + \zeta_{26}^{9} q^{8} - \zeta_{26}^{11} q^{9} - \zeta_{26} q^{10} + (\zeta_{26}^{8} + \zeta_{26}^{2}) q^{11} + ( - \zeta_{26}^{10} - \zeta_{26}^{4}) q^{13} + (\zeta_{26}^{8} + \zeta_{26}^{4}) q^{14} + \zeta_{26}^{12} q^{16} + \zeta_{26} q^{18} + ( - \zeta_{26}^{11} - \zeta_{26}^{3}) q^{19} - \zeta_{26}^{4} q^{20} + (\zeta_{26}^{11} + \zeta_{26}^{5}) q^{22} + (\zeta_{26}^{11} - \zeta_{26}^{2}) q^{23} - \zeta_{26}^{9} q^{25} + ( - \zeta_{26}^{7} + 1) q^{26} + (\zeta_{26}^{11} + \zeta_{26}^{7}) q^{28} - \zeta_{26}^{2} q^{32} + (\zeta_{26}^{12} - \zeta_{26}^{3}) q^{35} + \zeta_{26}^{4} q^{36} + (\zeta_{26}^{7} - \zeta_{26}^{4}) q^{37} + ( - \zeta_{26}^{6} + \zeta_{26}) q^{38} - \zeta_{26}^{7} q^{40} + (\zeta_{26}^{12} - \zeta_{26}^{11}) q^{41} + (\zeta_{26}^{8} - \zeta_{26}) q^{44} + \zeta_{26}^{9} q^{45} + ( - \zeta_{26}^{5} - \zeta_{26}) q^{46} + (\zeta_{26}^{3} + \zeta_{26}) q^{47} + (\zeta_{26}^{10} + \cdots + \zeta_{26}^{2}) q^{49} + \cdots + (\zeta_{26}^{6} + 1) q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q + q^{2} - q^{4} + q^{5} + 2 q^{7} + q^{8} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 12 q + q^{2} - q^{4} + q^{5} + 2 q^{7} + q^{8} - q^{9} - q^{10} - 2 q^{11} + 2 q^{13} - 2 q^{14} - q^{16} + q^{18} - 2 q^{19} + q^{20} + 2 q^{22} + 2 q^{23} - q^{25} + 11 q^{26} + 2 q^{28} + q^{32} - 2 q^{35} - q^{36} + 2 q^{37} + 2 q^{38} - q^{40} - 2 q^{41} - 2 q^{44} + q^{45} - 2 q^{46} + 2 q^{47} - 3 q^{49} + q^{50} + 2 q^{52} + q^{53} - 11 q^{55} - 2 q^{56} - 2 q^{59} + 2 q^{63} - q^{64} - 2 q^{65} + 2 q^{70} + q^{72} - 2 q^{74} - 2 q^{76} - 9 q^{77} + q^{80} - q^{81} + 2 q^{82} + 2 q^{88} - 2 q^{89} - q^{90} - 4 q^{91} + 2 q^{92} - 2 q^{94} + 2 q^{95} - 10 q^{98} + 11 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2120\mathbb{Z}\right)^\times\).

\(n\) \(161\) \(1061\) \(1591\) \(1697\)
\(\chi(n)\) \(\zeta_{26}^{6}\) \(-1\) \(-1\) \(-1\)

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
99.1
0.970942 0.239316i
0.354605 0.935016i
−0.885456 + 0.464723i
0.748511 + 0.663123i
−0.568065 0.822984i
−0.120537 0.992709i
−0.885456 0.464723i
0.748511 0.663123i
0.970942 + 0.239316i
−0.120537 + 0.992709i
−0.568065 + 0.822984i
0.354605 + 0.935016i
0.748511 0.663123i 0 0.120537 0.992709i −0.885456 0.464723i 0 1.32555 1.17433i −0.568065 0.822984i 0.885456 + 0.464723i −0.970942 + 0.239316i
259.1 −0.885456 + 0.464723i 0 0.568065 0.822984i 0.748511 0.663123i 0 1.32555 0.695701i −0.120537 + 0.992709i −0.748511 + 0.663123i −0.354605 + 0.935016i
579.1 −0.120537 + 0.992709i 0 −0.970942 0.239316i −0.568065 0.822984i 0 −0.136945 + 1.12785i 0.354605 0.935016i 0.568065 + 0.822984i 0.885456 0.464723i
619.1 −0.568065 + 0.822984i 0 −0.354605 0.935016i −0.120537 + 0.992709i 0 −0.136945 + 0.198399i 0.970942 + 0.239316i 0.120537 0.992709i −0.748511 0.663123i
699.1 0.970942 0.239316i 0 0.885456 0.464723i 0.354605 + 0.935016i 0 −0.688601 + 0.169725i 0.748511 0.663123i −0.354605 0.935016i 0.568065 + 0.822984i
819.1 0.354605 + 0.935016i 0 −0.748511 + 0.663123i 0.970942 + 0.239316i 0 −0.688601 1.81569i −0.885456 0.464723i −0.970942 0.239316i 0.120537 + 0.992709i
1179.1 −0.120537 0.992709i 0 −0.970942 + 0.239316i −0.568065 + 0.822984i 0 −0.136945 1.12785i 0.354605 + 0.935016i 0.568065 0.822984i 0.885456 + 0.464723i
1459.1 −0.568065 0.822984i 0 −0.354605 + 0.935016i −0.120537 0.992709i 0 −0.136945 0.198399i 0.970942 0.239316i 0.120537 + 0.992709i −0.748511 + 0.663123i
1499.1 0.748511 + 0.663123i 0 0.120537 + 0.992709i −0.885456 + 0.464723i 0 1.32555 + 1.17433i −0.568065 + 0.822984i 0.885456 0.464723i −0.970942 0.239316i
1579.1 0.354605 0.935016i 0 −0.748511 0.663123i 0.970942 0.239316i 0 −0.688601 + 1.81569i −0.885456 + 0.464723i −0.970942 + 0.239316i 0.120537 0.992709i
1659.1 0.970942 + 0.239316i 0 0.885456 + 0.464723i 0.354605 0.935016i 0 −0.688601 0.169725i 0.748511 + 0.663123i −0.354605 + 0.935016i 0.568065 0.822984i
1899.1 −0.885456 0.464723i 0 0.568065 + 0.822984i 0.748511 + 0.663123i 0 1.32555 + 0.695701i −0.120537 0.992709i −0.748511 0.663123i −0.354605 0.935016i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 99.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
40.e odd 2 1 CM by \(\Q(\sqrt{-10}) \)
53.d even 13 1 inner
2120.bx odd 26 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2120.1.bx.b yes 12
5.b even 2 1 2120.1.bx.a 12
8.d odd 2 1 2120.1.bx.a 12
40.e odd 2 1 CM 2120.1.bx.b yes 12
53.d even 13 1 inner 2120.1.bx.b yes 12
265.n even 26 1 2120.1.bx.a 12
424.o odd 26 1 2120.1.bx.a 12
2120.bx odd 26 1 inner 2120.1.bx.b yes 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2120.1.bx.a 12 5.b even 2 1
2120.1.bx.a 12 8.d odd 2 1
2120.1.bx.a 12 265.n even 26 1
2120.1.bx.a 12 424.o odd 26 1
2120.1.bx.b yes 12 1.a even 1 1 trivial
2120.1.bx.b yes 12 40.e odd 2 1 CM
2120.1.bx.b yes 12 53.d even 13 1 inner
2120.1.bx.b yes 12 2120.bx odd 26 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{7}^{12} - 2 T_{7}^{11} + 4 T_{7}^{10} - 8 T_{7}^{9} + 16 T_{7}^{8} - 6 T_{7}^{7} - T_{7}^{6} + \cdots + 1 \) acting on \(S_{1}^{\mathrm{new}}(2120, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{12} - T^{11} + \cdots + 1 \) Copy content Toggle raw display
$3$ \( T^{12} \) Copy content Toggle raw display
$5$ \( T^{12} - T^{11} + \cdots + 1 \) Copy content Toggle raw display
$7$ \( T^{12} - 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$11$ \( T^{12} + 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$13$ \( T^{12} - 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$17$ \( T^{12} \) Copy content Toggle raw display
$19$ \( T^{12} + 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$23$ \( (T^{6} - T^{5} - 5 T^{4} + \cdots - 1)^{2} \) Copy content Toggle raw display
$29$ \( T^{12} \) Copy content Toggle raw display
$31$ \( T^{12} \) Copy content Toggle raw display
$37$ \( T^{12} - 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$41$ \( T^{12} + 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$43$ \( T^{12} \) Copy content Toggle raw display
$47$ \( T^{12} - 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$53$ \( T^{12} - T^{11} + \cdots + 1 \) Copy content Toggle raw display
$59$ \( T^{12} + 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$61$ \( T^{12} \) Copy content Toggle raw display
$67$ \( T^{12} \) Copy content Toggle raw display
$71$ \( T^{12} \) Copy content Toggle raw display
$73$ \( T^{12} \) Copy content Toggle raw display
$79$ \( T^{12} \) Copy content Toggle raw display
$83$ \( T^{12} \) Copy content Toggle raw display
$89$ \( T^{12} + 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$97$ \( T^{12} \) Copy content Toggle raw display
show more
show less