Properties

Label 90.2.l.a.47.2
Level $90$
Weight $2$
Character 90.47
Analytic conductor $0.719$
Analytic rank $0$
Dimension $8$
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] = [90,2,Mod(23,90)] 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("90.23"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(90, base_ring=CyclotomicField(12)) chi = DirichletCharacter(H, H._module([10, 9])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 90 = 2 \cdot 3^{2} \cdot 5 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 90.l (of order \(12\), degree \(4\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [8] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(1)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(0.718653618192\)
Analytic rank: \(0\)
Dimension: \(8\)
Relative dimension: \(2\) over \(\Q(\zeta_{12})\)
Coefficient field: \(\Q(\zeta_{24})\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - x^{4} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{12}]$

Embedding invariants

Embedding label 47.2
Root \(-0.965926 + 0.258819i\) of defining polynomial
Character \(\chi\) \(=\) 90.47
Dual form 90.2.l.a.23.2

$q$-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)
 
\(f(q)\) \(=\) \(q+(0.258819 + 0.965926i) q^{2} +(1.10721 + 1.33195i) q^{3} +(-0.866025 + 0.500000i) q^{4} +(0.792893 - 2.09077i) q^{5} +(-1.00000 + 1.41421i) q^{6} +(-1.05902 + 0.283763i) q^{7} +(-0.707107 - 0.707107i) q^{8} +(-0.548188 + 2.94949i) q^{9} +(2.22474 + 0.224745i) q^{10} +(-5.44949 - 3.14626i) q^{11} +(-1.62484 - 0.599900i) q^{12} +(3.34607 + 0.896575i) q^{13} +(-0.548188 - 0.949490i) q^{14} +(3.66270 - 1.25882i) q^{15} +(0.500000 - 0.866025i) q^{16} +(3.14626 - 3.14626i) q^{17} +(-2.99087 + 0.233875i) q^{18} +1.55051i q^{19} +(0.358719 + 2.20711i) q^{20} +(-1.55051 - 1.09638i) q^{21} +(1.62863 - 6.07812i) q^{22} +(0.258819 - 0.965926i) q^{23} +(0.158919 - 1.72474i) q^{24} +(-3.74264 - 3.31552i) q^{25} +3.46410i q^{26} +(-4.53553 + 2.53553i) q^{27} +(0.775255 - 0.775255i) q^{28} +(-1.57313 + 2.72474i) q^{29} +(2.16390 + 3.21209i) q^{30} +(2.22474 + 3.85337i) q^{31} +(0.965926 + 0.258819i) q^{32} +(-1.84304 - 10.7420i) q^{33} +(3.85337 + 2.22474i) q^{34} +(-0.246405 + 2.43916i) q^{35} +(-1.00000 - 2.82843i) q^{36} +(-3.00000 - 3.00000i) q^{37} +(-1.49768 + 0.401302i) q^{38} +(2.51059 + 5.44949i) q^{39} +(-2.03906 + 0.917738i) q^{40} +(-3.39898 + 1.96240i) q^{41} +(0.657717 - 1.78144i) q^{42} +(0.896575 + 3.34607i) q^{43} +6.29253 q^{44} +(5.73205 + 3.48477i) q^{45} +1.00000 q^{46} +(2.32937 + 8.69333i) q^{47} +(1.70711 - 0.292893i) q^{48} +(-5.02118 + 2.89898i) q^{49} +(2.23388 - 4.47323i) q^{50} +(7.67423 + 0.707107i) q^{51} +(-3.34607 + 0.896575i) q^{52} +(6.61037 + 6.61037i) q^{53} +(-3.62302 - 3.72474i) q^{54} +(-10.8990 + 8.89898i) q^{55} +(0.949490 + 0.548188i) q^{56} +(-2.06520 + 1.71673i) q^{57} +(-3.03906 - 0.814313i) q^{58} +(-5.90326 - 10.2247i) q^{59} +(-2.54258 + 2.92152i) q^{60} +(2.72474 - 4.71940i) q^{61} +(-3.14626 + 3.14626i) q^{62} +(-0.256415 - 3.27912i) q^{63} +1.00000i q^{64} +(4.52761 - 6.28497i) q^{65} +(9.89898 - 4.56048i) q^{66} +(0.978838 - 3.65307i) q^{67} +(-1.15161 + 4.29788i) q^{68} +(1.57313 - 0.724745i) q^{69} +(-2.41982 + 0.393292i) q^{70} +0.635674i q^{71} +(2.47323 - 1.69798i) q^{72} +(2.89898 - 2.89898i) q^{73} +(2.12132 - 3.67423i) q^{74} +(0.272229 - 8.65597i) q^{75} +(-0.775255 - 1.34278i) q^{76} +(6.66390 + 1.78559i) q^{77} +(-4.61401 + 3.83548i) q^{78} +(2.12132 + 1.22474i) q^{79} +(-1.41421 - 1.73205i) q^{80} +(-8.39898 - 3.23375i) q^{81} +(-2.77526 - 2.77526i) q^{82} +(-0.531752 + 0.142483i) q^{83} +(1.89097 + 0.174235i) q^{84} +(-4.08346 - 9.07277i) q^{85} +(-3.00000 + 1.73205i) q^{86} +(-5.37101 + 0.921519i) q^{87} +(1.62863 + 6.07812i) q^{88} -2.36773 q^{89} +(-1.88246 + 6.43866i) q^{90} -3.79796 q^{91} +(0.258819 + 0.965926i) q^{92} +(-2.66925 + 7.22973i) q^{93} +(-7.79423 + 4.50000i) q^{94} +(3.24176 + 1.22939i) q^{95} +(0.724745 + 1.57313i) q^{96} +(10.7902 - 2.89123i) q^{97} +(-4.09978 - 4.09978i) q^{98} +(12.2672 - 14.3485i) q^{99} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q + 4 q^{3} + 12 q^{5} - 8 q^{6} - 8 q^{7} + 8 q^{10} - 24 q^{11} - 4 q^{12} + 16 q^{15} + 4 q^{16} - 8 q^{18} - 32 q^{21} - 8 q^{22} + 4 q^{25} - 8 q^{27} + 16 q^{28} - 12 q^{30} + 8 q^{31} + 16 q^{33}+ \cdots + 12 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/90\mathbb{Z}\right)^\times\).

\(n\) \(11\) \(37\)
\(\chi(n)\) \(e\left(\frac{1}{6}\right)\) \(e\left(\frac{1}{4}\right)\)

Coefficient data

For each \(n\) we display the coefficients of the \(q\)-expansion \(a_n\), the Satake parameters \(\alpha_p\), and the Satake angles \(\theta_p = \textrm{Arg}(\alpha_p)\). You can download additional coefficients here.



Currently showing only \(a_p\); display all \(a_n\) Currently showing all \(a_n\); display only \(a_p\)
Significant digits:
\(n\) \(a_n\) \(a_n / n^{(k-1)/2}\) \( \alpha_n \) \( \theta_n \)
\(p\) \(a_p\) \(a_p / p^{(k-1)/2}\) \( \alpha_p\) \( \theta_p \)
\(2\) 0.258819 + 0.965926i 0.183013 + 0.683013i
\(3\) 1.10721 + 1.33195i 0.639246 + 0.769002i
\(4\) −0.866025 + 0.500000i −0.433013 + 0.250000i
\(5\) 0.792893 2.09077i 0.354593 0.935021i
\(6\) −1.00000 + 1.41421i −0.408248 + 0.577350i
\(7\) −1.05902 + 0.283763i −0.400271 + 0.107252i −0.453338 0.891339i \(-0.649767\pi\)
0.0530669 + 0.998591i \(0.483100\pi\)
\(8\) −0.707107 0.707107i −0.250000 0.250000i
\(9\) −0.548188 + 2.94949i −0.182729 + 0.983163i
\(10\) 2.22474 + 0.224745i 0.703526 + 0.0710706i
\(11\) −5.44949 3.14626i −1.64308 0.948634i −0.979729 0.200329i \(-0.935799\pi\)
−0.663354 0.748305i \(-0.730868\pi\)
\(12\) −1.62484 0.599900i −0.469052 0.173176i
\(13\) 3.34607 + 0.896575i 0.928032 + 0.248665i 0.691015 0.722840i \(-0.257164\pi\)
0.237016 + 0.971506i \(0.423830\pi\)
\(14\) −0.548188 0.949490i −0.146509 0.253762i
\(15\) 3.66270 1.25882i 0.945705 0.325026i
\(16\) 0.500000 0.866025i 0.125000 0.216506i
\(17\) 3.14626 3.14626i 0.763081 0.763081i −0.213797 0.976878i \(-0.568583\pi\)
0.976878 + 0.213797i \(0.0685831\pi\)
\(18\) −2.99087 + 0.233875i −0.704955 + 0.0551249i
\(19\) 1.55051i 0.355711i 0.984057 + 0.177856i \(0.0569160\pi\)
−0.984057 + 0.177856i \(0.943084\pi\)
\(20\) 0.358719 + 2.20711i 0.0802121 + 0.493524i
\(21\) −1.55051 1.09638i −0.338349 0.239249i
\(22\) 1.62863 6.07812i 0.347224 1.29586i
\(23\) 0.258819 0.965926i 0.0539675 0.201409i −0.933678 0.358113i \(-0.883420\pi\)
0.987646 + 0.156704i \(0.0500868\pi\)
\(24\) 0.158919 1.72474i 0.0324391 0.352062i
\(25\) −3.74264 3.31552i −0.748528 0.663103i
\(26\) 3.46410i 0.679366i
\(27\) −4.53553 + 2.53553i −0.872864 + 0.487964i
\(28\) 0.775255 0.775255i 0.146509 0.146509i
\(29\) −1.57313 + 2.72474i −0.292123 + 0.505972i −0.974312 0.225204i \(-0.927695\pi\)
0.682188 + 0.731177i \(0.261028\pi\)
\(30\) 2.16390 + 3.21209i 0.395073 + 0.586445i
\(31\) 2.22474 + 3.85337i 0.399576 + 0.692086i 0.993674 0.112307i \(-0.0358240\pi\)
−0.594098 + 0.804393i \(0.702491\pi\)
\(32\) 0.965926 + 0.258819i 0.170753 + 0.0457532i
\(33\) −1.84304 10.7420i −0.320832 1.86995i
\(34\) 3.85337 + 2.22474i 0.660848 + 0.381541i
\(35\) −0.246405 + 2.43916i −0.0416500 + 0.412293i
\(36\) −1.00000 2.82843i −0.166667 0.471405i
\(37\) −3.00000 3.00000i −0.493197 0.493197i 0.416115 0.909312i \(-0.363391\pi\)
−0.909312 + 0.416115i \(0.863391\pi\)
\(38\) −1.49768 + 0.401302i −0.242955 + 0.0650997i
\(39\) 2.51059 + 5.44949i 0.402016 + 0.872617i
\(40\) −2.03906 + 0.917738i −0.322403 + 0.145107i
\(41\) −3.39898 + 1.96240i −0.530831 + 0.306476i −0.741355 0.671113i \(-0.765816\pi\)
0.210524 + 0.977589i \(0.432483\pi\)
\(42\) 0.657717 1.78144i 0.101488 0.274882i
\(43\) 0.896575 + 3.34607i 0.136726 + 0.510270i 0.999985 + 0.00550783i \(0.00175320\pi\)
−0.863258 + 0.504762i \(0.831580\pi\)
\(44\) 6.29253 0.948634
\(45\) 5.73205 + 3.48477i 0.854484 + 0.519478i
\(46\) 1.00000 0.147442
\(47\) 2.32937 + 8.69333i 0.339774 + 1.26805i 0.898600 + 0.438768i \(0.144585\pi\)
−0.558827 + 0.829285i \(0.688748\pi\)
\(48\) 1.70711 0.292893i 0.246400 0.0422755i
\(49\) −5.02118 + 2.89898i −0.717311 + 0.414140i
\(50\) 2.23388 4.47323i 0.315918 0.632611i
\(51\) 7.67423 + 0.707107i 1.07461 + 0.0990148i
\(52\) −3.34607 + 0.896575i −0.464016 + 0.124333i
\(53\) 6.61037 + 6.61037i 0.908004 + 0.908004i 0.996111 0.0881074i \(-0.0280819\pi\)
−0.0881074 + 0.996111i \(0.528082\pi\)
\(54\) −3.62302 3.72474i −0.493031 0.506874i
\(55\) −10.8990 + 8.89898i −1.46962 + 1.19994i
\(56\) 0.949490 + 0.548188i 0.126881 + 0.0732547i
\(57\) −2.06520 + 1.71673i −0.273543 + 0.227387i
\(58\) −3.03906 0.814313i −0.399048 0.106925i
\(59\) −5.90326 10.2247i −0.768539 1.33115i −0.938355 0.345673i \(-0.887651\pi\)
0.169816 0.985476i \(-0.445683\pi\)
\(60\) −2.54258 + 2.92152i −0.328246 + 0.377167i
\(61\) 2.72474 4.71940i 0.348868 0.604257i −0.637181 0.770714i \(-0.719900\pi\)
0.986049 + 0.166458i \(0.0532329\pi\)
\(62\) −3.14626 + 3.14626i −0.399576 + 0.399576i
\(63\) −0.256415 3.27912i −0.0323053 0.413130i
\(64\) 1.00000i 0.125000i
\(65\) 4.52761 6.28497i 0.561580 0.779554i
\(66\) 9.89898 4.56048i 1.21848 0.561356i
\(67\) 0.978838 3.65307i 0.119584 0.446294i −0.880005 0.474965i \(-0.842461\pi\)
0.999589 + 0.0286709i \(0.00912748\pi\)
\(68\) −1.15161 + 4.29788i −0.139654 + 0.521194i
\(69\) 1.57313 0.724745i 0.189383 0.0872490i
\(70\) −2.41982 + 0.393292i −0.289224 + 0.0470073i
\(71\) 0.635674i 0.0754407i 0.999288 + 0.0377203i \(0.0120096\pi\)
−0.999288 + 0.0377203i \(0.987990\pi\)
\(72\) 2.47323 1.69798i 0.291473 0.200108i
\(73\) 2.89898 2.89898i 0.339300 0.339300i −0.516804 0.856104i \(-0.672878\pi\)
0.856104 + 0.516804i \(0.172878\pi\)
\(74\) 2.12132 3.67423i 0.246598 0.427121i
\(75\) 0.272229 8.65597i 0.0314343 0.999506i
\(76\) −0.775255 1.34278i −0.0889279 0.154028i
\(77\) 6.66390 + 1.78559i 0.759422 + 0.203487i
\(78\) −4.61401 + 3.83548i −0.522434 + 0.434282i
\(79\) 2.12132 + 1.22474i 0.238667 + 0.137795i 0.614564 0.788867i \(-0.289332\pi\)
−0.375897 + 0.926662i \(0.622665\pi\)
\(80\) −1.41421 1.73205i −0.158114 0.193649i
\(81\) −8.39898 3.23375i −0.933220 0.359306i
\(82\) −2.77526 2.77526i −0.306476 0.306476i
\(83\) −0.531752 + 0.142483i −0.0583674 + 0.0156395i −0.287885 0.957665i \(-0.592952\pi\)
0.229517 + 0.973305i \(0.426285\pi\)
\(84\) 1.89097 + 0.174235i 0.206322 + 0.0190106i
\(85\) −4.08346 9.07277i −0.442914 0.984080i
\(86\) −3.00000 + 1.73205i −0.323498 + 0.186772i
\(87\) −5.37101 + 0.921519i −0.575833 + 0.0987973i
\(88\) 1.62863 + 6.07812i 0.173612 + 0.647929i
\(89\) −2.36773 −0.250978 −0.125489 0.992095i \(-0.540050\pi\)
−0.125489 + 0.992095i \(0.540050\pi\)
\(90\) −1.88246 + 6.43866i −0.198429 + 0.678694i
\(91\) −3.79796 −0.398134
\(92\) 0.258819 + 0.965926i 0.0269838 + 0.100705i
\(93\) −2.66925 + 7.22973i −0.276788 + 0.749688i
\(94\) −7.79423 + 4.50000i −0.803913 + 0.464140i
\(95\) 3.24176 + 1.22939i 0.332598 + 0.126133i
\(96\) 0.724745 + 1.57313i 0.0739690 + 0.160557i
\(97\) 10.7902 2.89123i 1.09558 0.293560i 0.334616 0.942355i \(-0.391393\pi\)
0.760963 + 0.648795i \(0.224727\pi\)
\(98\) −4.09978 4.09978i −0.414140 0.414140i
\(99\) 12.2672 14.3485i 1.23290 1.44208i
Currently showing only \(a_p\); display all \(a_n\) Currently showing all \(a_n\); display only \(a_p\)

Twists

       By twisting character
Char Parity Ord Type Twist Min Dim
1.1 even 1 trivial 90.2.l.a.47.2 yes 8
3.2 odd 2 270.2.m.a.197.1 8
4.3 odd 2 720.2.cu.a.497.2 8
5.2 odd 4 450.2.p.a.443.1 8
5.3 odd 4 inner 90.2.l.a.83.2 yes 8
5.4 even 2 450.2.p.a.407.1 8
9.2 odd 6 810.2.f.b.647.1 8
9.4 even 3 270.2.m.a.17.1 8
9.5 odd 6 inner 90.2.l.a.77.2 yes 8
9.7 even 3 810.2.f.b.647.4 8
15.2 even 4 1350.2.q.g.143.2 8
15.8 even 4 270.2.m.a.143.1 8
15.14 odd 2 1350.2.q.g.1007.2 8
20.3 even 4 720.2.cu.a.353.2 8
36.23 even 6 720.2.cu.a.257.2 8
45.4 even 6 1350.2.q.g.557.2 8
45.13 odd 12 270.2.m.a.233.1 8
45.14 odd 6 450.2.p.a.257.1 8
45.22 odd 12 1350.2.q.g.1043.2 8
45.23 even 12 inner 90.2.l.a.23.2 8
45.32 even 12 450.2.p.a.293.1 8
45.38 even 12 810.2.f.b.323.3 8
45.43 odd 12 810.2.f.b.323.2 8
180.23 odd 12 720.2.cu.a.113.2 8
    
        By twisted newform
Twist Min Dim Char Parity Ord Type
90.2.l.a.23.2 8 45.23 even 12 inner
90.2.l.a.47.2 yes 8 1.1 even 1 trivial
90.2.l.a.77.2 yes 8 9.5 odd 6 inner
90.2.l.a.83.2 yes 8 5.3 odd 4 inner
270.2.m.a.17.1 8 9.4 even 3
270.2.m.a.143.1 8 15.8 even 4
270.2.m.a.197.1 8 3.2 odd 2
270.2.m.a.233.1 8 45.13 odd 12
450.2.p.a.257.1 8 45.14 odd 6
450.2.p.a.293.1 8 45.32 even 12
450.2.p.a.407.1 8 5.4 even 2
450.2.p.a.443.1 8 5.2 odd 4
720.2.cu.a.113.2 8 180.23 odd 12
720.2.cu.a.257.2 8 36.23 even 6
720.2.cu.a.353.2 8 20.3 even 4
720.2.cu.a.497.2 8 4.3 odd 2
810.2.f.b.323.2 8 45.43 odd 12
810.2.f.b.323.3 8 45.38 even 12
810.2.f.b.647.1 8 9.2 odd 6
810.2.f.b.647.4 8 9.7 even 3
1350.2.q.g.143.2 8 15.2 even 4
1350.2.q.g.557.2 8 45.4 even 6
1350.2.q.g.1007.2 8 15.14 odd 2
1350.2.q.g.1043.2 8 45.22 odd 12