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Properties

Label 9801.2.a.co.1.4
Level $9801$
Weight $2$
Character 9801.1
Self dual yes
Analytic conductor $78.261$
Analytic rank $0$
Dimension $18$
CM no
Inner twists $1$

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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] = [9801,2,Mod(1,9801)] 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("9801.1"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(9801, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 9801 = 3^{4} \cdot 11^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 9801.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [18,2,0,12,-1,0,-1,6,0,2,0,0,-3,0] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(14)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(78.2613790211\)
Analytic rank: \(0\)
Dimension: \(18\)
Coefficient field: \(\mathbb{Q}[x]/(x^{18} - \cdots)\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{18} - 2 x^{17} - 22 x^{16} + 42 x^{15} + 198 x^{14} - 357 x^{13} - 944 x^{12} + 1579 x^{11} + \cdots - 55 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 99)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

Embedding invariants

Embedding label 1.4
Root \(-1.54614\) of defining polynomial
Character \(\chi\) \(=\) 9801.1

$q$-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)
 
\(f(q)\) \(=\) \(q-1.54614 q^{2} +0.390538 q^{4} +0.592032 q^{5} -0.721951 q^{7} +2.48845 q^{8} -0.915362 q^{10} +1.57496 q^{13} +1.11623 q^{14} -4.62856 q^{16} -4.59200 q^{17} -2.50860 q^{19} +0.231211 q^{20} -4.45200 q^{23} -4.64950 q^{25} -2.43511 q^{26} -0.281949 q^{28} -6.97862 q^{29} -9.12824 q^{31} +2.17948 q^{32} +7.09986 q^{34} -0.427418 q^{35} +2.89170 q^{37} +3.87864 q^{38} +1.47324 q^{40} +1.15412 q^{41} +4.21448 q^{43} +6.88340 q^{46} -0.227555 q^{47} -6.47879 q^{49} +7.18876 q^{50} +0.615084 q^{52} -5.70359 q^{53} -1.79654 q^{56} +10.7899 q^{58} +7.13355 q^{59} -4.55896 q^{61} +14.1135 q^{62} +5.88733 q^{64} +0.932429 q^{65} -8.09142 q^{67} -1.79335 q^{68} +0.660846 q^{70} -12.3094 q^{71} -15.4833 q^{73} -4.47096 q^{74} -0.979704 q^{76} +14.6196 q^{79} -2.74025 q^{80} -1.78443 q^{82} +6.95300 q^{83} -2.71861 q^{85} -6.51616 q^{86} +12.4803 q^{89} -1.13705 q^{91} -1.73868 q^{92} +0.351832 q^{94} -1.48517 q^{95} +14.1805 q^{97} +10.0171 q^{98} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 18 q + 2 q^{2} + 12 q^{4} - q^{5} - q^{7} + 6 q^{8} + 2 q^{10} - 3 q^{13} - 8 q^{16} + 20 q^{17} + 3 q^{19} - 5 q^{20} - 10 q^{23} + 7 q^{25} + 2 q^{26} - 19 q^{28} + 21 q^{29} + 6 q^{31} + 9 q^{32} - 4 q^{34}+ \cdots + 82 q^{98}+O(q^{100}) \) Copy content Toggle raw display

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:
\(n\) \(a_n\) \(a_n / n^{(k-1)/2}\) \( \alpha_n \) \( \theta_n \)
\(p\) \(a_p\) \(a_p / p^{(k-1)/2}\) \( \alpha_p\) \( \theta_p \)
\(2\) −1.54614 −1.09328 −0.546642 − 0.837367i \(-0.684094\pi\)
−0.546642 + 0.837367i \(0.684094\pi\)
\(3\) 0 0
\(4\) 0.390538 0.195269
\(5\) 0.592032 0.264765 0.132382 − 0.991199i \(-0.457737\pi\)
0.132382 + 0.991199i \(0.457737\pi\)
\(6\) 0 0
\(7\) −0.721951 −0.272872 −0.136436 − 0.990649i \(-0.543565\pi\)
−0.136436 + 0.990649i \(0.543565\pi\)
\(8\) 2.48845 0.879799
\(9\) 0 0
\(10\) −0.915362 −0.289463
\(11\) 0 0
\(12\) 0 0
\(13\) 1.57496 0.436817 0.218408 − 0.975857i \(-0.429914\pi\)
0.218408 + 0.975857i \(0.429914\pi\)
\(14\) 1.11623 0.298326
\(15\) 0 0
\(16\) −4.62856 −1.15714
\(17\) −4.59200 −1.11372 −0.556862 − 0.830605i \(-0.687995\pi\)
−0.556862 + 0.830605i \(0.687995\pi\)
\(18\) 0 0
\(19\) −2.50860 −0.575512 −0.287756 − 0.957704i \(-0.592909\pi\)
−0.287756 + 0.957704i \(0.592909\pi\)
\(20\) 0.231211 0.0517004
\(21\) 0 0
\(22\) 0 0
\(23\) −4.45200 −0.928306 −0.464153 − 0.885755i \(-0.653641\pi\)
−0.464153 + 0.885755i \(0.653641\pi\)
\(24\) 0 0
\(25\) −4.64950 −0.929900
\(26\) −2.43511 −0.477564
\(27\) 0 0
\(28\) −0.281949 −0.0532834
\(29\) −6.97862 −1.29590 −0.647949 − 0.761684i \(-0.724373\pi\)
−0.647949 + 0.761684i \(0.724373\pi\)
\(30\) 0 0
\(31\) −9.12824 −1.63948 −0.819740 − 0.572735i \(-0.805882\pi\)
−0.819740 + 0.572735i \(0.805882\pi\)
\(32\) 2.17948 0.385282
\(33\) 0 0
\(34\) 7.09986 1.21762
\(35\) −0.427418 −0.0722468
\(36\) 0 0
\(37\) 2.89170 0.475392 0.237696 − 0.971340i \(-0.423608\pi\)
0.237696 + 0.971340i \(0.423608\pi\)
\(38\) 3.87864 0.629198
\(39\) 0 0
\(40\) 1.47324 0.232940
\(41\) 1.15412 0.180243 0.0901216 − 0.995931i \(-0.471274\pi\)
0.0901216 + 0.995931i \(0.471274\pi\)
\(42\) 0 0
\(43\) 4.21448 0.642702 0.321351 − 0.946960i \(-0.395863\pi\)
0.321351 + 0.946960i \(0.395863\pi\)
\(44\) 0 0
\(45\) 0 0
\(46\) 6.88340 1.01490
\(47\) −0.227555 −0.0331924 −0.0165962 − 0.999862i \(-0.505283\pi\)
−0.0165962 + 0.999862i \(0.505283\pi\)
\(48\) 0 0
\(49\) −6.47879 −0.925541
\(50\) 7.18876 1.01664
\(51\) 0 0
\(52\) 0.615084 0.0852967
\(53\) −5.70359 −0.783449 −0.391724 − 0.920083i \(-0.628121\pi\)
−0.391724 + 0.920083i \(0.628121\pi\)
\(54\) 0 0
\(55\) 0 0
\(56\) −1.79654 −0.240072
\(57\) 0 0
\(58\) 10.7899 1.41678
\(59\) 7.13355 0.928710 0.464355 − 0.885649i \(-0.346286\pi\)
0.464355 + 0.885649i \(0.346286\pi\)
\(60\) 0 0
\(61\) −4.55896 −0.583715 −0.291857 − 0.956462i \(-0.594273\pi\)
−0.291857 + 0.956462i \(0.594273\pi\)
\(62\) 14.1135 1.79242
\(63\) 0 0
\(64\) 5.88733 0.735917
\(65\) 0.932429 0.115654
\(66\) 0 0
\(67\) −8.09142 −0.988524 −0.494262 − 0.869313i \(-0.664562\pi\)
−0.494262 + 0.869313i \(0.664562\pi\)
\(68\) −1.79335 −0.217476
\(69\) 0 0
\(70\) 0.660846 0.0789862
\(71\) −12.3094 −1.46086 −0.730429 − 0.682989i \(-0.760680\pi\)
−0.730429 + 0.682989i \(0.760680\pi\)
\(72\) 0 0
\(73\) −15.4833 −1.81219 −0.906093 − 0.423078i \(-0.860950\pi\)
−0.906093 + 0.423078i \(0.860950\pi\)
\(74\) −4.47096 −0.519738
\(75\) 0 0
\(76\) −0.979704 −0.112380
\(77\) 0 0
\(78\) 0 0
\(79\) 14.6196 1.64483 0.822414 − 0.568889i \(-0.192627\pi\)
0.822414 + 0.568889i \(0.192627\pi\)
\(80\) −2.74025 −0.306370
\(81\) 0 0
\(82\) −1.78443 −0.197057
\(83\) 6.95300 0.763191 0.381596 − 0.924329i \(-0.375375\pi\)
0.381596 + 0.924329i \(0.375375\pi\)
\(84\) 0 0
\(85\) −2.71861 −0.294875
\(86\) −6.51616 −0.702656
\(87\) 0 0
\(88\) 0 0
\(89\) 12.4803 1.32291 0.661453 − 0.749986i \(-0.269940\pi\)
0.661453 + 0.749986i \(0.269940\pi\)
\(90\) 0 0
\(91\) −1.13705 −0.119195
\(92\) −1.73868 −0.181269
\(93\) 0 0
\(94\) 0.351832 0.0362887
\(95\) −1.48517 −0.152375
\(96\) 0 0
\(97\) 14.1805 1.43981 0.719904 − 0.694073i \(-0.244186\pi\)
0.719904 + 0.694073i \(0.244186\pi\)
\(98\) 10.0171 1.01188
\(99\) 0 0
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 9801.2.a.co.1.4 18
3.2 odd 2 9801.2.a.cn.1.15 18
9.4 even 3 1089.2.e.o.727.15 36
9.7 even 3 1089.2.e.o.364.15 36
11.2 odd 10 891.2.f.f.730.2 36
11.6 odd 10 891.2.f.f.487.2 36
11.10 odd 2 9801.2.a.cm.1.15 18
33.2 even 10 891.2.f.e.730.8 36
33.17 even 10 891.2.f.e.487.8 36
33.32 even 2 9801.2.a.cp.1.4 18
99.2 even 30 297.2.n.b.37.8 72
99.13 odd 30 99.2.m.b.70.8 yes 72
99.43 odd 6 1089.2.e.p.364.4 36
99.50 even 30 297.2.n.b.289.8 72
99.61 odd 30 99.2.m.b.58.8 yes 72
99.68 even 30 297.2.n.b.235.2 72
99.76 odd 6 1089.2.e.p.727.4 36
99.79 odd 30 99.2.m.b.4.2 ✓ 72
99.83 even 30 297.2.n.b.91.2 72
99.94 odd 30 99.2.m.b.25.2 yes 72
    
        By twisted newform
Twist Min Dim Char Parity Ord Type
99.2.m.b.4.2 ✓ 72 99.79 odd 30
99.2.m.b.25.2 yes 72 99.94 odd 30
99.2.m.b.58.8 yes 72 99.61 odd 30
99.2.m.b.70.8 yes 72 99.13 odd 30
297.2.n.b.37.8 72 99.2 even 30
297.2.n.b.91.2 72 99.83 even 30
297.2.n.b.235.2 72 99.68 even 30
297.2.n.b.289.8 72 99.50 even 30
891.2.f.e.487.8 36 33.17 even 10
891.2.f.e.730.8 36 33.2 even 10
891.2.f.f.487.2 36 11.6 odd 10
891.2.f.f.730.2 36 11.2 odd 10
1089.2.e.o.364.15 36 9.7 even 3
1089.2.e.o.727.15 36 9.4 even 3
1089.2.e.p.364.4 36 99.43 odd 6
1089.2.e.p.727.4 36 99.76 odd 6
9801.2.a.cm.1.15 18 11.10 odd 2
9801.2.a.cn.1.15 18 3.2 odd 2
9801.2.a.co.1.4 18 1.1 even 1 trivial
9801.2.a.cp.1.4 18 33.32 even 2