Properties

Label 2852.1.bn.b
Level $2852$
Weight $1$
Character orbit 2852.bn
Analytic conductor $1.423$
Analytic rank $0$
Dimension $24$
Projective image $D_{90}$
CM discriminant -23
Inner twists $4$

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Show commands: Magma / Pari/GP / SageMath

Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [2852,1,Mod(551,2852)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("2852.551"); S:= CuspForms(chi, 1); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(2852, base_ring=CyclotomicField(30)) chi = DirichletCharacter(H, H._module([15, 15, 13])) B = ModularForms(chi, 1).cuspidal_submodule().basis() N = [B[i] for i in range(len(B))]
 
Level: \( N \) \(=\) \( 2852 = 2^{2} \cdot 23 \cdot 31 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 2852.bn (of order \(30\), degree \(8\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [24,0,0,0,0,6] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(6)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(1.42333341603\)
Analytic rank: \(0\)
Dimension: \(24\)
Relative dimension: \(3\) over \(\Q(\zeta_{30})\)
Coefficient field: \(\Q(\zeta_{45})\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{24} - x^{21} + x^{15} - x^{12} + x^{9} - x^{3} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{9}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{90}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{90} - \cdots)\)

$q$-expansion

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

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

\(f(q)\) \(=\) \( q - \zeta_{90}^{10} q^{2} + (\zeta_{90}^{26} + \zeta_{90}^{22}) q^{3} + \zeta_{90}^{20} q^{4} + ( - \zeta_{90}^{36} - \zeta_{90}^{32}) q^{6} - \zeta_{90}^{30} q^{8} + (\zeta_{90}^{44} + \cdots - \zeta_{90}^{3}) q^{9} + \cdots + \zeta_{90}^{4} q^{98} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 24 q + 6 q^{6} + 12 q^{8} + 3 q^{9} + 3 q^{12} + 6 q^{18} + 6 q^{23} - 12 q^{25} + 3 q^{26} + 6 q^{27} - 6 q^{36} + 3 q^{48} - 3 q^{49} + 3 q^{52} - 3 q^{54} + 3 q^{58} - 12 q^{64} - 3 q^{72} + 6 q^{78}+ \cdots + 6 q^{96}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2852\mathbb{Z}\right)^\times\).

\(n\) \(373\) \(1427\) \(2669\)
\(\chi(n)\) \(-1\) \(-1\) \(\zeta_{90}^{3}\)

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
551.1
−0.374607 + 0.927184i
0.990268 0.139173i
−0.615661 0.788011i
−0.374607 0.927184i
0.990268 + 0.139173i
−0.615661 + 0.788011i
−0.997564 + 0.0697565i
0.438371 0.898794i
0.559193 + 0.829038i
0.848048 0.529919i
−0.882948 0.469472i
0.0348995 + 0.999391i
−0.241922 + 0.970296i
−0.719340 0.694658i
0.961262 0.275637i
−0.241922 0.970296i
−0.719340 + 0.694658i
0.961262 + 0.275637i
0.848048 + 0.529919i
−0.882948 + 0.469472i
−0.766044 0.642788i 1.40724 0.299118i 0.173648 + 0.984808i 0 −1.27028 0.675419i 0 0.500000 0.866025i 0.977310 0.435126i 0
551.2 −0.173648 + 0.984808i −1.88051 + 0.399715i −0.939693 0.342020i 0 −0.0670951 1.92135i 0 0.500000 0.866025i 2.46301 1.09660i 0
551.3 0.939693 0.342020i 0.473271 0.100597i 0.766044 0.642788i 0 0.410323 0.256398i 0 0.500000 0.866025i −0.699680 + 0.311518i 0
735.1 −0.766044 + 0.642788i 1.40724 + 0.299118i 0.173648 0.984808i 0 −1.27028 + 0.675419i 0 0.500000 + 0.866025i 0.977310 + 0.435126i 0
735.2 −0.173648 0.984808i −1.88051 0.399715i −0.939693 + 0.342020i 0 −0.0670951 + 1.92135i 0 0.500000 + 0.866025i 2.46301 + 1.09660i 0
735.3 0.939693 + 0.342020i 0.473271 + 0.100597i 0.766044 + 0.642788i 0 0.410323 + 0.256398i 0 0.500000 + 0.866025i −0.699680 0.311518i 0
827.1 −0.766044 + 0.642788i −0.207022 1.96969i 0.173648 0.984808i 0 1.42468 + 1.37580i 0 0.500000 + 0.866025i −2.85866 + 0.607627i 0
827.2 −0.173648 0.984808i 0.128708 + 1.22458i −0.939693 + 0.342020i 0 1.18362 0.339399i 0 0.500000 + 0.866025i −0.504877 + 0.107315i 0
827.3 0.939693 + 0.342020i 0.0783141 + 0.745109i 0.766044 + 0.642788i 0 −0.181251 + 0.726958i 0 0.500000 + 0.866025i 0.429093 0.0912066i 0
1195.1 −0.766044 0.642788i 0.586655 0.651546i 0.173648 + 0.984808i 0 −0.868210 + 0.122019i 0 0.500000 0.866025i 0.0241798 + 0.230056i 0
1195.2 −0.173648 + 0.984808i 0.748346 0.831123i −0.939693 0.342020i 0 0.688547 + 0.881300i 0 0.500000 0.866025i −0.0262144 0.249413i 0
1195.3 0.939693 0.342020i −1.33500 + 1.48267i 0.766044 0.642788i 0 −0.747388 + 1.84985i 0 0.500000 0.866025i −0.311551 2.96421i 0
1563.1 −0.766044 + 0.642788i −1.61323 + 0.718254i 0.173648 0.984808i 0 0.774117 1.58718i 0 0.500000 + 0.866025i 1.41748 1.57427i 0
1563.2 −0.173648 0.984808i 0.0637646 0.0283898i −0.939693 + 0.342020i 0 −0.0390311 0.0578660i 0 0.500000 + 0.866025i −0.665871 + 0.739524i 0
1563.3 0.939693 + 0.342020i 1.54946 0.689864i 0.766044 + 0.642788i 0 1.69196 0.118314i 0 0.500000 + 0.866025i 1.25579 1.39469i 0
1655.1 −0.766044 0.642788i −1.61323 0.718254i 0.173648 + 0.984808i 0 0.774117 + 1.58718i 0 0.500000 0.866025i 1.41748 + 1.57427i 0
1655.2 −0.173648 + 0.984808i 0.0637646 + 0.0283898i −0.939693 0.342020i 0 −0.0390311 + 0.0578660i 0 0.500000 0.866025i −0.665871 0.739524i 0
1655.3 0.939693 0.342020i 1.54946 + 0.689864i 0.766044 0.642788i 0 1.69196 + 0.118314i 0 0.500000 0.866025i 1.25579 + 1.39469i 0
1747.1 −0.766044 + 0.642788i 0.586655 + 0.651546i 0.173648 0.984808i 0 −0.868210 0.122019i 0 0.500000 + 0.866025i 0.0241798 0.230056i 0
1747.2 −0.173648 0.984808i 0.748346 + 0.831123i −0.939693 + 0.342020i 0 0.688547 0.881300i 0 0.500000 + 0.866025i −0.0262144 + 0.249413i 0
See all 24 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 551.3
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
23.b odd 2 1 CM by \(\Q(\sqrt{-23}) \)
124.p even 30 1 inner
2852.bn odd 30 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2852.1.bn.b yes 24
4.b odd 2 1 2852.1.bn.a 24
23.b odd 2 1 CM 2852.1.bn.b yes 24
31.h odd 30 1 2852.1.bn.a 24
92.b even 2 1 2852.1.bn.a 24
124.p even 30 1 inner 2852.1.bn.b yes 24
713.s even 30 1 2852.1.bn.a 24
2852.bn odd 30 1 inner 2852.1.bn.b yes 24
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2852.1.bn.a 24 4.b odd 2 1
2852.1.bn.a 24 31.h odd 30 1
2852.1.bn.a 24 92.b even 2 1
2852.1.bn.a 24 713.s even 30 1
2852.1.bn.b yes 24 1.a even 1 1 trivial
2852.1.bn.b yes 24 23.b odd 2 1 CM
2852.1.bn.b yes 24 124.p even 30 1 inner
2852.1.bn.b yes 24 2852.bn odd 30 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{24} - 3 T_{3}^{22} - 2 T_{3}^{21} + 9 T_{3}^{19} + 30 T_{3}^{18} - 129 T_{3}^{16} + T_{3}^{15} + \cdots + 1 \) acting on \(S_{1}^{\mathrm{new}}(2852, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{6} - T^{3} + 1)^{4} \) Copy content Toggle raw display
$3$ \( T^{24} - 3 T^{22} + \cdots + 1 \) Copy content Toggle raw display
$5$ \( T^{24} \) Copy content Toggle raw display
$7$ \( T^{24} \) Copy content Toggle raw display
$11$ \( T^{24} \) Copy content Toggle raw display
$13$ \( T^{24} + 3 T^{22} + \cdots + 1 \) Copy content Toggle raw display
$17$ \( T^{24} \) Copy content Toggle raw display
$19$ \( T^{24} \) Copy content Toggle raw display
$23$ \( (T^{4} - T^{3} + T^{2} + \cdots + 1)^{6} \) Copy content Toggle raw display
$29$ \( T^{24} - 6 T^{22} + \cdots + 1 \) Copy content Toggle raw display
$31$ \( T^{24} + T^{21} + \cdots + 1 \) Copy content Toggle raw display
$37$ \( T^{24} \) Copy content Toggle raw display
$41$ \( T^{24} - 3 T^{22} + \cdots + 1 \) Copy content Toggle raw display
$43$ \( T^{24} \) Copy content Toggle raw display
$47$ \( T^{24} - 6 T^{22} + \cdots + 1 \) Copy content Toggle raw display
$53$ \( T^{24} \) Copy content Toggle raw display
$59$ \( (T^{8} + 10 T^{5} + \cdots + 25)^{3} \) Copy content Toggle raw display
$61$ \( T^{24} \) Copy content Toggle raw display
$67$ \( T^{24} \) Copy content Toggle raw display
$71$ \( T^{24} + 3 T^{22} + \cdots + 1 \) Copy content Toggle raw display
$73$ \( T^{24} + 3 T^{22} + \cdots + 1 \) Copy content Toggle raw display
$79$ \( T^{24} \) Copy content Toggle raw display
$83$ \( T^{24} \) Copy content Toggle raw display
$89$ \( T^{24} \) Copy content Toggle raw display
$97$ \( T^{24} \) Copy content Toggle raw display
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