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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [216,2,Mod(11,216)] 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("216.11"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(216, base_ring=CyclotomicField(18)) chi = DirichletCharacter(H, H._module([9, 9, 13])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 216 = 2^{3} \cdot 3^{3} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 216.v (of order \(18\), degree \(6\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [192] 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: \(1.72476868366\)
Analytic rank: \(0\)
Dimension: \(192\)
Relative dimension: \(32\) over \(\Q(\zeta_{18})\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{18}]$

Embedding invariants

Embedding label 59.2
Character \(\chi\) \(=\) 216.59
Dual form 216.2.v.b.11.2

$q$-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+(-1.40972 - 0.112665i) q^{2} +(0.00307742 + 1.73205i) q^{3} +(1.97461 + 0.317652i) q^{4} +(2.47648 - 0.901367i) q^{5} +(0.190803 - 2.44205i) q^{6} +(2.55949 - 0.451307i) q^{7} +(-2.74786 - 0.670270i) q^{8} +(-2.99998 + 0.0106605i) q^{9} +(-3.59270 + 0.991660i) q^{10} +(0.556608 - 1.52927i) q^{11} +(-0.544112 + 3.42110i) q^{12} +(1.88389 - 2.24514i) q^{13} +(-3.65901 + 0.347851i) q^{14} +(1.56883 + 4.28662i) q^{15} +(3.79819 + 1.25448i) q^{16} +(-3.28845 - 1.89859i) q^{17} +(4.23033 + 0.322965i) q^{18} +(4.30904 + 7.46347i) q^{19} +(5.17642 - 0.993190i) q^{20} +(0.789562 + 4.43177i) q^{21} +(-0.956956 + 2.09313i) q^{22} +(-1.07009 + 6.06879i) q^{23} +(1.15248 - 4.76149i) q^{24} +(1.49029 - 1.25050i) q^{25} +(-2.90871 + 2.95276i) q^{26} +(-0.0276967 - 5.19608i) q^{27} +(5.19736 - 0.0781292i) q^{28} +(3.88174 - 3.25716i) q^{29} +(-1.72866 - 6.21968i) q^{30} +(-3.57300 - 0.630016i) q^{31} +(-5.21305 - 2.19639i) q^{32} +(2.65048 + 0.959365i) q^{33} +(4.42189 + 3.04697i) q^{34} +(5.93174 - 3.42469i) q^{35} +(-5.92719 - 0.931900i) q^{36} +(-6.40179 - 3.69607i) q^{37} +(-5.23366 - 11.0069i) q^{38} +(3.89448 + 3.25608i) q^{39} +(-7.40919 + 0.816916i) q^{40} +(-4.43232 + 5.28224i) q^{41} +(-0.613754 - 6.33650i) q^{42} +(-3.77811 - 1.37512i) q^{43} +(1.58486 - 2.84290i) q^{44} +(-7.41980 + 2.73048i) q^{45} +(2.19227 - 8.43472i) q^{46} +(0.253807 + 1.43941i) q^{47} +(-2.16113 + 6.58252i) q^{48} +(-0.230541 + 0.0839100i) q^{49} +(-2.24178 + 1.59495i) q^{50} +(3.27833 - 5.70160i) q^{51} +(4.43313 - 3.83485i) q^{52} +0.180986 q^{53} +(-0.546372 + 7.32813i) q^{54} -4.28892i q^{55} +(-7.33562 - 0.475421i) q^{56} +(-12.9138 + 7.48643i) q^{57} +(-5.83912 + 4.15435i) q^{58} +(0.253090 + 0.695359i) q^{59} +(1.73618 + 8.96275i) q^{60} +(11.1190 - 1.96057i) q^{61} +(4.96594 + 1.29070i) q^{62} +(-7.67361 + 1.38120i) q^{63} +(7.10148 + 3.68362i) q^{64} +(2.64174 - 7.25812i) q^{65} +(-3.62834 - 1.65105i) q^{66} +(-10.5159 - 8.82387i) q^{67} +(-5.89033 - 4.79357i) q^{68} +(-10.5147 - 1.83477i) q^{69} +(-8.74793 + 4.15955i) q^{70} +(2.57253 - 4.45576i) q^{71} +(8.25068 + 1.98150i) q^{72} +(-2.62831 - 4.55236i) q^{73} +(8.60830 + 5.93168i) q^{74} +(2.17052 + 2.57741i) q^{75} +(6.13789 + 16.1062i) q^{76} +(0.734463 - 4.16534i) q^{77} +(-5.12328 - 5.02893i) q^{78} +(-6.72831 - 8.01849i) q^{79} +(10.5369 - 0.316864i) q^{80} +(8.99977 - 0.0639625i) q^{81} +(6.84345 - 6.94710i) q^{82} +(7.39656 + 8.81488i) q^{83} +(0.151318 + 9.00184i) q^{84} +(-9.85513 - 1.73773i) q^{85} +(5.17114 + 2.36419i) q^{86} +(5.65351 + 6.71333i) q^{87} +(-2.55450 + 3.82914i) q^{88} +(-0.211259 + 0.121971i) q^{89} +(10.7675 - 3.01326i) q^{90} +(3.80856 - 6.59662i) q^{91} +(-4.04078 + 11.6436i) q^{92} +(1.08022 - 6.19054i) q^{93} +(-0.195625 - 2.05776i) q^{94} +(17.3986 + 14.5992i) q^{95} +(3.78821 - 9.03601i) q^{96} +(1.95441 + 0.711348i) q^{97} +(0.334451 - 0.0923156i) q^{98} +(-1.65351 + 4.59371i) q^{99} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 192 q - 6 q^{2} - 12 q^{3} - 6 q^{4} - 6 q^{6} - 9 q^{8} - 12 q^{9} - 3 q^{10} - 30 q^{11} - 3 q^{12} + 9 q^{14} - 6 q^{16} - 18 q^{17} + 63 q^{18} - 6 q^{19} - 27 q^{20} - 18 q^{22} - 30 q^{24} - 12 q^{25}+ \cdots - 12 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/216\mathbb{Z}\right)^\times\).

\(n\) \(55\) \(109\) \(137\)
\(\chi(n)\) \(-1\) \(-1\) \(e\left(\frac{5}{18}\right)\)

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:
\(n\) \(a_n\) \(a_n / n^{(k-1)/2}\) \( \alpha_n \) \( \theta_n \)
\(p\) \(a_p\) \(a_p / p^{(k-1)/2}\) \( \alpha_p\) \( \theta_p \)
\(2\) −1.40972 − 0.112665i −0.996822 − 0.0796663i
\(3\) 0.00307742 + 1.73205i 0.00177675 + 0.999998i
\(4\) 1.97461 + 0.317652i 0.987307 + 0.158826i
\(5\) 2.47648 − 0.901367i 1.10752 − 0.403103i 0.277435 − 0.960744i \(-0.410516\pi\)
0.830082 + 0.557641i \(0.188293\pi\)
\(6\) 0.190803 − 2.44205i 0.0778950 − 0.996962i
\(7\) 2.55949 − 0.451307i 0.967396 − 0.170578i 0.332438 − 0.943125i \(-0.392129\pi\)
0.634958 + 0.772547i \(0.281018\pi\)
\(8\) −2.74786 − 0.670270i −0.971515 − 0.236976i
\(9\) −2.99998 + 0.0106605i −0.999994 + 0.00355349i
\(10\) −3.59270 + 0.991660i −1.13611 + 0.313590i
\(11\) 0.556608 − 1.52927i 0.167824 − 0.461091i −0.827061 − 0.562113i \(-0.809989\pi\)
0.994884 + 0.101021i \(0.0322110\pi\)
\(12\) −0.544112 + 3.42110i −0.157072 + 0.987587i
\(13\) 1.88389 − 2.24514i 0.522498 − 0.622689i −0.438672 − 0.898647i \(-0.644551\pi\)
0.961169 + 0.275959i \(0.0889953\pi\)
\(14\) −3.65901 + 0.347851i −0.977911 + 0.0929670i
\(15\) 1.56883 + 4.28662i 0.405071 + 1.10680i
\(16\) 3.79819 + 1.25448i 0.949549 + 0.313620i
\(17\) −3.28845 − 1.89859i −0.797567 − 0.460476i 0.0450525 − 0.998985i \(-0.485654\pi\)
−0.842620 + 0.538509i \(0.818988\pi\)
\(18\) 4.23033 + 0.322965i 0.997098 + 0.0761236i
\(19\) 4.30904 + 7.46347i 0.988561 + 1.71224i 0.624895 + 0.780708i \(0.285142\pi\)
0.363666 + 0.931530i \(0.381525\pi\)
\(20\) 5.17642 − 0.993190i 1.15748 − 0.222084i
\(21\) 0.789562 + 4.43177i 0.172297 + 0.967091i
\(22\) −0.956956 + 2.09313i −0.204024 + 0.446256i
\(23\) −1.07009 + 6.06879i −0.223129 + 1.26543i 0.643100 + 0.765783i \(0.277648\pi\)
−0.866229 + 0.499647i \(0.833463\pi\)
\(24\) 1.15248 − 4.76149i 0.235250 − 0.971935i
\(25\) 1.49029 − 1.25050i 0.298059 − 0.250101i
\(26\) −2.90871 + 2.95276i −0.570444 + 0.579084i
\(27\) −0.0276967 − 5.19608i −0.00533022 − 0.999986i
\(28\) 5.19736 − 0.0781292i 0.982209 − 0.0147650i
\(29\) 3.88174 − 3.25716i 0.720820 − 0.604840i −0.206792 − 0.978385i \(-0.566302\pi\)
0.927612 + 0.373545i \(0.121858\pi\)
\(30\) −1.72866 − 6.21968i −0.315609 − 1.13555i
\(31\) −3.57300 − 0.630016i −0.641729 − 0.113154i −0.156692 − 0.987648i \(-0.550083\pi\)
−0.485037 + 0.874493i \(0.661194\pi\)
\(32\) −5.21305 − 2.19639i −0.921546 − 0.388270i
\(33\) 2.65048 + 0.959365i 0.461389 + 0.167004i
\(34\) 4.42189 + 3.04697i 0.758348 + 0.522551i
\(35\) 5.93174 − 3.42469i 1.00265 − 0.578879i
\(36\) −5.92719 − 0.931900i −0.987865 − 0.155317i
\(37\) −6.40179 − 3.69607i −1.05245 − 0.607631i −0.129114 − 0.991630i \(-0.541213\pi\)
−0.923333 + 0.383999i \(0.874547\pi\)
\(38\) −5.23366 − 11.0069i −0.849011 − 1.78555i
\(39\) 3.89448 + 3.25608i 0.623616 + 0.521391i
\(40\) −7.40919 + 0.816916i −1.17150 + 0.129166i
\(41\) −4.43232 + 5.28224i −0.692212 + 0.824947i −0.991621 − 0.129178i \(-0.958766\pi\)
0.299409 + 0.954125i \(0.403211\pi\)
\(42\) −0.613754 − 6.33650i −0.0947044 − 0.977744i
\(43\) −3.77811 − 1.37512i −0.576156 − 0.209704i 0.0374734 − 0.999298i \(-0.488069\pi\)
−0.613630 + 0.789594i \(0.710291\pi\)
\(44\) 1.58486 − 2.84290i 0.238927 − 0.428584i
\(45\) −7.41980 + 2.73048i −1.10608 + 0.407036i
\(46\) 2.19227 − 8.43472i 0.323232 − 1.24363i
\(47\) 0.253807 + 1.43941i 0.0370215 + 0.209960i 0.997707 − 0.0676790i \(-0.0215594\pi\)
−0.960686 + 0.277639i \(0.910448\pi\)
\(48\) −2.16113 + 6.58252i −0.311933 + 0.950104i
\(49\) −0.230541 + 0.0839100i −0.0329344 + 0.0119871i
\(50\) −2.24178 + 1.59495i −0.317036 + 0.225561i
\(51\) 3.27833 − 5.70160i 0.459058 − 0.798384i
\(52\) 4.43313 − 3.83485i 0.614765 − 0.531798i
\(53\) 0.180986 0.0248604 0.0124302 − 0.999923i \(-0.496043\pi\)
0.0124302 + 0.999923i \(0.496043\pi\)
\(54\) −0.546372 + 7.32813i −0.0743519 + 0.997232i
\(55\) − 4.28892i − 0.578317i
\(56\) −7.33562 − 0.475421i −0.980263 − 0.0635308i
\(57\) −12.9138 + 7.48643i −1.71048 + 0.991602i
\(58\) −5.83912 + 4.15435i −0.766714 + 0.545492i
\(59\) 0.253090 + 0.695359i 0.0329495 + 0.0905280i 0.955077 − 0.296359i \(-0.0957725\pi\)
−0.922127 + 0.386887i \(0.873550\pi\)
\(60\) 1.73618 + 8.96275i 0.224140 + 1.15709i
\(61\) 11.1190 − 1.96057i 1.42364 − 0.251026i 0.591817 − 0.806072i \(-0.298411\pi\)
0.831819 + 0.555047i \(0.187300\pi\)
\(62\) 4.96594 + 1.29070i 0.630675 + 0.163919i
\(63\) −7.67361 + 1.38120i −0.966784 + 0.174015i
\(64\) 7.10148 + 3.68362i 0.887684 + 0.460452i
\(65\) 2.64174 − 7.25812i 0.327668 − 0.900259i
\(66\) −3.62834 − 1.65105i −0.446618 − 0.203230i
\(67\) −10.5159 − 8.82387i −1.28472 − 1.07801i −0.992575 − 0.121633i \(-0.961187\pi\)
−0.292144 − 0.956374i \(-0.594369\pi\)
\(68\) −5.89033 − 4.79357i −0.714308 − 0.581305i
\(69\) −10.5147 − 1.83477i −1.26582 − 0.220881i
\(70\) −8.74793 + 4.15955i −1.04558 + 0.497162i
\(71\) 2.57253 − 4.45576i 0.305303 − 0.528801i −0.672025 − 0.740528i \(-0.734575\pi\)
0.977329 + 0.211727i \(0.0679088\pi\)
\(72\) 8.25068 + 1.98150i 0.972351 + 0.233523i
\(73\) −2.62831 − 4.55236i −0.307620 − 0.532814i 0.670221 − 0.742161i \(-0.266199\pi\)
−0.977841 + 0.209348i \(0.932866\pi\)
\(74\) 8.60830 + 5.93168i 1.00069 + 0.689544i
\(75\) 2.17052 + 2.57741i 0.250630 + 0.297614i
\(76\) 6.13789 + 16.1062i 0.704065 + 1.84751i
\(77\) 0.734463 − 4.16534i 0.0836998 − 0.474685i
\(78\) −5.12328 − 5.02893i −0.580097 − 0.569415i
\(79\) −6.72831 − 8.01849i −0.756994 − 0.902151i 0.240660 − 0.970610i \(-0.422636\pi\)
−0.997654 + 0.0684588i \(0.978192\pi\)
\(80\) 10.5369 − 0.316864i 1.17806 − 0.0354264i
\(81\) 8.99977 − 0.0639625i 0.999975 − 0.00710694i
\(82\) 6.84345 − 6.94710i 0.755733 − 0.767179i
\(83\) 7.39656 + 8.81488i 0.811878 + 0.967559i 0.999893 − 0.0146072i \(-0.00464979\pi\)
−0.188015 + 0.982166i \(0.560205\pi\)
\(84\) 0.151318 + 9.00184i 0.0165102 + 0.982181i
\(85\) −9.85513 − 1.73773i −1.06894 − 0.188483i
\(86\) 5.17114 + 2.36419i 0.557619 + 0.254938i
\(87\) 5.65351 + 6.71333i 0.606120 + 0.719744i
\(88\) −2.55450 + 3.82914i −0.272311 + 0.408187i
\(89\) −0.211259 + 0.121971i −0.0223934 + 0.0129289i −0.511155 − 0.859489i \(-0.670782\pi\)
0.488761 + 0.872417i \(0.337449\pi\)
\(90\) 10.7675 − 3.01326i 1.13499 − 0.317626i
\(91\) 3.80856 − 6.59662i 0.399245 − 0.691513i
\(92\) −4.04078 + 11.6436i −0.421280 + 1.21393i
\(93\) 1.08022 − 6.19054i 0.112014 − 0.641929i
\(94\) −0.195625 − 2.05776i −0.0201772 − 0.212242i
\(95\) 17.3986 + 14.5992i 1.78506 + 1.49784i
\(96\) 3.78821 − 9.03601i 0.386632 − 0.922234i
\(97\) 1.95441 + 0.711348i 0.198441 + 0.0722264i 0.439329 − 0.898326i \(-0.355216\pi\)
−0.240888 + 0.970553i \(0.577439\pi\)
\(98\) 0.334451 − 0.0923156i 0.0337847 − 0.00932528i
\(99\) −1.65351 + 4.59371i −0.166184 + 0.461685i
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 216.2.v.b.59.2 yes 192
3.2 odd 2 648.2.v.b.611.31 192
4.3 odd 2 864.2.bh.b.815.18 192
8.3 odd 2 inner 216.2.v.b.59.17 yes 192
8.5 even 2 864.2.bh.b.815.17 192
24.11 even 2 648.2.v.b.611.16 192
27.11 odd 18 inner 216.2.v.b.11.17 yes 192
27.16 even 9 648.2.v.b.35.16 192
108.11 even 18 864.2.bh.b.335.17 192
216.11 even 18 inner 216.2.v.b.11.2 ✓ 192
216.43 odd 18 648.2.v.b.35.31 192
216.173 odd 18 864.2.bh.b.335.18 192
    
        By twisted newform
Twist Min Dim Char Parity Ord Type
216.2.v.b.11.2 ✓ 192 216.11 even 18 inner
216.2.v.b.11.17 yes 192 27.11 odd 18 inner
216.2.v.b.59.2 yes 192 1.1 even 1 trivial
216.2.v.b.59.17 yes 192 8.3 odd 2 inner
648.2.v.b.35.16 192 27.16 even 9
648.2.v.b.35.31 192 216.43 odd 18
648.2.v.b.611.16 192 24.11 even 2
648.2.v.b.611.31 192 3.2 odd 2
864.2.bh.b.335.17 192 108.11 even 18
864.2.bh.b.335.18 192 216.173 odd 18
864.2.bh.b.815.17 192 8.5 even 2
864.2.bh.b.815.18 192 4.3 odd 2