Properties

Label 920.2.bb.a
Level $920$
Weight $2$
Character orbit 920.bb
Analytic conductor $7.346$
Analytic rank $0$
Dimension $480$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [920,2,Mod(11,920)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(920, base_ring=CyclotomicField(22))
 
chi = DirichletCharacter(H, H._module([11, 11, 0, 9]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("920.11");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 920 = 2^{3} \cdot 5 \cdot 23 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 920.bb (of order \(22\), degree \(10\), 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: \(7.34623698596\)
Analytic rank: \(0\)
Dimension: \(480\)
Relative dimension: \(48\) over \(\Q(\zeta_{22})\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{22}]$

$q$-expansion

The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, but we have computed the trace expansion.

\(\operatorname{Tr}(f)(q) = \) \( 480 q + 2 q^{2} - 4 q^{4} - 48 q^{5} + 5 q^{6} - q^{8} - 48 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 480 q + 2 q^{2} - 4 q^{4} - 48 q^{5} + 5 q^{6} - q^{8} - 48 q^{9} + 2 q^{10} + 3 q^{12} + 32 q^{16} + 7 q^{18} - 4 q^{20} + 8 q^{21} + 4 q^{23} + 2 q^{24} - 48 q^{25} + 7 q^{26} + 12 q^{27} + 5 q^{30} - 118 q^{32} - 23 q^{34} + 54 q^{36} + 8 q^{37} - 65 q^{38} + 43 q^{40} - 10 q^{42} - q^{44} + 480 q^{45} - 184 q^{46} - 44 q^{48} - 48 q^{49} - 9 q^{50} - 7 q^{52} + 32 q^{53} - 27 q^{54} + 67 q^{56} - 40 q^{58} - 12 q^{59} + 14 q^{60} - 8 q^{61} - 128 q^{62} + 59 q^{64} + 88 q^{66} + 10 q^{68} - 20 q^{69} + 3 q^{72} - 11 q^{74} + 110 q^{76} + 118 q^{78} - 144 q^{79} - q^{80} - 56 q^{81} - 59 q^{82} - 162 q^{84} - 18 q^{86} - 76 q^{88} + 7 q^{90} - 149 q^{92} + 168 q^{94} + 65 q^{96} - 98 q^{98}+O(q^{100}) \) Copy content Toggle raw display

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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
11.1 −1.41415 0.0129233i −0.364921 + 2.53808i 1.99967 + 0.0365512i −0.959493 + 0.281733i 0.548855 3.58452i −1.38081 1.59354i −2.82736 0.0775314i −3.43020 1.00720i 1.36051 0.386014i
11.2 −1.41405 0.0214454i −0.417492 + 2.90372i 1.99908 + 0.0606497i −0.959493 + 0.281733i 0.652627 4.09706i 2.59694 + 2.99703i −2.82550 0.128633i −5.37883 1.57937i 1.36281 0.377808i
11.3 −1.41066 + 0.100200i 0.472161 3.28395i 1.97992 0.282697i −0.959493 + 0.281733i −0.337006 + 4.67985i −2.50066 2.88591i −2.76467 + 0.597177i −7.68293 2.25591i 1.32529 0.493570i
11.4 −1.39554 0.229051i 0.191117 1.32925i 1.89507 + 0.639300i −0.959493 + 0.281733i −0.571176 + 1.81124i 0.206298 + 0.238081i −2.49822 1.32624i 1.14811 + 0.337115i 1.40354 0.173397i
11.5 −1.34604 + 0.433784i −0.132869 + 0.924126i 1.62366 1.16778i −0.959493 + 0.281733i −0.222024 1.30155i 2.80604 + 3.23834i −1.67895 + 2.27621i 2.04212 + 0.599622i 1.16931 0.795437i
11.6 −1.31653 + 0.516468i 0.0200411 0.139389i 1.46652 1.35990i −0.959493 + 0.281733i 0.0456052 + 0.193861i −0.0496235 0.0572686i −1.22838 + 2.54776i 2.85945 + 0.839611i 1.11770 0.866458i
11.7 −1.30481 0.545420i 0.319837 2.22451i 1.40503 + 1.42333i −0.959493 + 0.281733i −1.63062 + 2.72811i 0.470129 + 0.542558i −1.05698 2.62351i −1.96769 0.577767i 1.40561 + 0.155720i
11.8 −1.30165 + 0.552903i 0.0871014 0.605803i 1.38860 1.43938i −0.959493 + 0.281733i 0.221575 + 0.836704i −2.73423 3.15547i −1.01163 + 2.64132i 2.51907 + 0.739665i 1.09316 0.897225i
11.9 −1.13559 0.842874i −0.144203 + 1.00295i 0.579126 + 1.91432i −0.959493 + 0.281733i 1.00912 1.01740i −2.70780 3.12496i 0.955879 2.66201i 1.89336 + 0.555941i 1.32706 + 0.488799i
11.10 −1.13542 0.843100i −0.138047 + 0.960140i 0.578365 + 1.91455i −0.959493 + 0.281733i 0.966236 0.973776i 1.98974 + 2.29628i 0.957468 2.66144i 1.97567 + 0.580108i 1.32696 + 0.489063i
11.11 −1.12141 0.861644i −0.343783 + 2.39106i 0.515140 + 1.93252i −0.959493 + 0.281733i 2.44577 2.38515i 0.126712 + 0.146233i 1.08746 2.61102i −2.72052 0.798818i 1.31874 + 0.510802i
11.12 −1.05929 + 0.936962i 0.272959 1.89847i 0.244204 1.98504i −0.959493 + 0.281733i 1.48965 + 2.26679i −0.510137 0.588729i 1.60122 + 2.33154i −0.651210 0.191212i 0.752412 1.19745i
11.13 −1.05187 + 0.945286i −0.267940 + 1.86356i 0.212869 1.98864i −0.959493 + 0.281733i −1.47976 2.21351i 0.138935 + 0.160340i 1.65592 + 2.29302i −0.522600 0.153449i 0.742946 1.20334i
11.14 −0.885153 1.10295i 0.428448 2.97992i −0.433008 + 1.95256i −0.959493 + 0.281733i −3.66596 + 2.16513i 2.08164 + 2.40234i 2.53686 1.25073i −5.81789 1.70829i 1.16004 + 0.808899i
11.15 −0.844050 1.13472i 0.217100 1.50996i −0.575160 + 1.91551i −0.959493 + 0.281733i −1.89662 + 1.02814i 0.306327 + 0.353520i 2.65903 0.964146i 0.645619 + 0.189571i 1.12955 + 0.850956i
11.16 −0.706408 + 1.22515i −0.160633 + 1.11722i −1.00198 1.73091i −0.959493 + 0.281733i −1.25529 0.986015i −0.521871 0.602271i 2.82842 0.00484018i 1.65609 + 0.486272i 0.332629 1.37454i
11.17 −0.662561 + 1.24940i 0.121688 0.846359i −1.12203 1.65561i −0.959493 + 0.281733i 0.976819 + 0.712802i 2.94177 + 3.39498i 2.81194 0.304917i 2.17696 + 0.639214i 0.283725 1.38546i
11.18 −0.476532 1.33151i 0.0556596 0.387121i −1.54583 + 1.26901i −0.959493 + 0.281733i −0.541979 + 0.110364i −2.16390 2.49727i 2.42634 + 1.45357i 2.73171 + 0.802104i 0.832359 + 1.14332i
11.19 −0.412411 1.35274i −0.429309 + 2.98591i −1.65983 + 1.11577i −0.959493 + 0.281733i 4.21623 0.650679i −1.41433 1.63223i 2.19389 + 1.78517i −5.85288 1.71856i 0.776818 + 1.18176i
11.20 −0.296367 + 1.38281i 0.323664 2.25113i −1.82433 0.819638i −0.959493 + 0.281733i 3.01696 + 1.11473i −2.70611 3.12302i 1.67408 2.27980i −2.08435 0.612020i −0.105221 1.41029i
See next 80 embeddings (of 480 total)
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 11.48
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
184.j even 22 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 920.2.bb.a 480
8.d odd 2 1 920.2.bb.b yes 480
23.d odd 22 1 920.2.bb.b yes 480
184.j even 22 1 inner 920.2.bb.a 480
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
920.2.bb.a 480 1.a even 1 1 trivial
920.2.bb.a 480 184.j even 22 1 inner
920.2.bb.b yes 480 8.d odd 2 1
920.2.bb.b yes 480 23.d odd 22 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{7}^{480} + 192 T_{7}^{478} - 8 T_{7}^{477} + 19807 T_{7}^{476} - 2532 T_{7}^{475} + \cdots + 24\!\cdots\!69 \) acting on \(S_{2}^{\mathrm{new}}(920, [\chi])\). Copy content Toggle raw display