Show commands: Magma / Pari/GP / SageMath

Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [48,18,Mod(1,48)] 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("48.1"); S:= CuspForms(chi, 18); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(48, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0])) N = Newforms(chi, 18, names="a")
 
Level: \( N \) \(=\) \( 48 = 2^{4} \cdot 3 \)
Weight: \( k \) \(=\) \( 18 \)
Character orbit: \([\chi]\) \(=\) 48.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [1,0,-6561,0,130950] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(5)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(87.9466019254\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 12)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

Embedding invariants

Embedding label 1.1
Character \(\chi\) \(=\) 48.1

$q$-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)
 
\(f(q)\) \(=\) \(q-6561.00 q^{3} +130950. q^{5} +1.48468e7 q^{7} +4.30467e7 q^{9} +8.45470e8 q^{11} +1.75141e9 q^{13} -8.59163e8 q^{15} -4.71479e7 q^{17} +5.69736e10 q^{19} -9.74097e10 q^{21} +3.71395e11 q^{23} -7.45792e11 q^{25} -2.82430e11 q^{27} -3.68117e12 q^{29} +5.47989e12 q^{31} -5.54713e12 q^{33} +1.94419e12 q^{35} -5.44696e12 q^{37} -1.14910e13 q^{39} +2.97733e13 q^{41} -9.84859e13 q^{43} +5.63697e12 q^{45} -1.07862e14 q^{47} -1.22038e13 q^{49} +3.09337e11 q^{51} +6.26473e14 q^{53} +1.10714e14 q^{55} -3.73804e14 q^{57} +1.26097e15 q^{59} -9.56343e14 q^{61} +6.39105e14 q^{63} +2.29348e14 q^{65} +5.51939e15 q^{67} -2.43673e15 q^{69} -9.30305e15 q^{71} +3.69259e15 q^{73} +4.89314e15 q^{75} +1.25525e16 q^{77} +2.59772e15 q^{79} +1.85302e15 q^{81} -2.62667e16 q^{83} -6.17402e12 q^{85} +2.41521e16 q^{87} +6.37172e16 q^{89} +2.60029e16 q^{91} -3.59536e16 q^{93} +7.46069e15 q^{95} -7.85589e16 q^{97} +3.63947e16 q^{99} +O(q^{100})\)

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 0
\(3\) −6561.00 −0.577350
\(4\) 0 0
\(5\) 130950. 0.149920 0.0749602 0.997187i \(-0.476117\pi\)
0.0749602 + 0.997187i \(0.476117\pi\)
\(6\) 0 0
\(7\) 1.48468e7 0.973417 0.486708 0.873565i \(-0.338197\pi\)
0.486708 + 0.873565i \(0.338197\pi\)
\(8\) 0 0
\(9\) 4.30467e7 0.333333
\(10\) 0 0
\(11\) 8.45470e8 1.18921 0.594607 0.804016i \(-0.297308\pi\)
0.594607 + 0.804016i \(0.297308\pi\)
\(12\) 0 0
\(13\) 1.75141e9 0.595485 0.297742 0.954646i \(-0.403766\pi\)
0.297742 + 0.954646i \(0.403766\pi\)
\(14\) 0 0
\(15\) −8.59163e8 −0.0865565
\(16\) 0 0
\(17\) −4.71479e7 −0.00163925 −0.000819627 1.00000i \(-0.500261\pi\)
−0.000819627 1.00000i \(0.500261\pi\)
\(18\) 0 0
\(19\) 5.69736e10 0.769605 0.384802 0.922999i \(-0.374270\pi\)
0.384802 + 0.922999i \(0.374270\pi\)
\(20\) 0 0
\(21\) −9.74097e10 −0.562002
\(22\) 0 0
\(23\) 3.71395e11 0.988894 0.494447 0.869208i \(-0.335371\pi\)
0.494447 + 0.869208i \(0.335371\pi\)
\(24\) 0 0
\(25\) −7.45792e11 −0.977524
\(26\) 0 0
\(27\) −2.82430e11 −0.192450
\(28\) 0 0
\(29\) −3.68117e12 −1.36648 −0.683239 0.730195i \(-0.739429\pi\)
−0.683239 + 0.730195i \(0.739429\pi\)
\(30\) 0 0
\(31\) 5.47989e12 1.15398 0.576989 0.816752i \(-0.304228\pi\)
0.576989 + 0.816752i \(0.304228\pi\)
\(32\) 0 0
\(33\) −5.54713e12 −0.686593
\(34\) 0 0
\(35\) 1.94419e12 0.145935
\(36\) 0 0
\(37\) −5.44696e12 −0.254941 −0.127470 0.991842i \(-0.540686\pi\)
−0.127470 + 0.991842i \(0.540686\pi\)
\(38\) 0 0
\(39\) −1.14910e13 −0.343803
\(40\) 0 0
\(41\) 2.97733e13 0.582324 0.291162 0.956674i \(-0.405958\pi\)
0.291162 + 0.956674i \(0.405958\pi\)
\(42\) 0 0
\(43\) −9.84859e13 −1.28497 −0.642484 0.766299i \(-0.722096\pi\)
−0.642484 + 0.766299i \(0.722096\pi\)
\(44\) 0 0
\(45\) 5.63697e12 0.0499734
\(46\) 0 0
\(47\) −1.07862e14 −0.660748 −0.330374 0.943850i \(-0.607175\pi\)
−0.330374 + 0.943850i \(0.607175\pi\)
\(48\) 0 0
\(49\) −1.22038e13 −0.0524598
\(50\) 0 0
\(51\) 3.09337e11 0.000946424 0
\(52\) 0 0
\(53\) 6.26473e14 1.38216 0.691079 0.722780i \(-0.257136\pi\)
0.691079 + 0.722780i \(0.257136\pi\)
\(54\) 0 0
\(55\) 1.10714e14 0.178287
\(56\) 0 0
\(57\) −3.73804e14 −0.444332
\(58\) 0 0
\(59\) 1.26097e15 1.11805 0.559027 0.829149i \(-0.311175\pi\)
0.559027 + 0.829149i \(0.311175\pi\)
\(60\) 0 0
\(61\) −9.56343e14 −0.638719 −0.319360 0.947634i \(-0.603468\pi\)
−0.319360 + 0.947634i \(0.603468\pi\)
\(62\) 0 0
\(63\) 6.39105e14 0.324472
\(64\) 0 0
\(65\) 2.29348e14 0.0892752
\(66\) 0 0
\(67\) 5.51939e15 1.66056 0.830281 0.557345i \(-0.188180\pi\)
0.830281 + 0.557345i \(0.188180\pi\)
\(68\) 0 0
\(69\) −2.43673e15 −0.570938
\(70\) 0 0
\(71\) −9.30305e15 −1.70974 −0.854869 0.518844i \(-0.826363\pi\)
−0.854869 + 0.518844i \(0.826363\pi\)
\(72\) 0 0
\(73\) 3.69259e15 0.535904 0.267952 0.963432i \(-0.413653\pi\)
0.267952 + 0.963432i \(0.413653\pi\)
\(74\) 0 0
\(75\) 4.89314e15 0.564374
\(76\) 0 0
\(77\) 1.25525e16 1.15760
\(78\) 0 0
\(79\) 2.59772e15 0.192647 0.0963235 0.995350i \(-0.469292\pi\)
0.0963235 + 0.995350i \(0.469292\pi\)
\(80\) 0 0
\(81\) 1.85302e15 0.111111
\(82\) 0 0
\(83\) −2.62667e16 −1.28010 −0.640048 0.768335i \(-0.721085\pi\)
−0.640048 + 0.768335i \(0.721085\pi\)
\(84\) 0 0
\(85\) −6.17402e12 −0.000245758 0
\(86\) 0 0
\(87\) 2.41521e16 0.788937
\(88\) 0 0
\(89\) 6.37172e16 1.71570 0.857850 0.513900i \(-0.171800\pi\)
0.857850 + 0.513900i \(0.171800\pi\)
\(90\) 0 0
\(91\) 2.60029e16 0.579655
\(92\) 0 0
\(93\) −3.59536e16 −0.666249
\(94\) 0 0
\(95\) 7.46069e15 0.115379
\(96\) 0 0
\(97\) −7.85589e16 −1.01774 −0.508869 0.860844i \(-0.669936\pi\)
−0.508869 + 0.860844i \(0.669936\pi\)
\(98\) 0 0
\(99\) 3.63947e16 0.396405
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 48.18.a.b.1.1 1
4.3 odd 2 12.18.a.b.1.1 1
12.11 even 2 36.18.a.a.1.1 1
    
        By twisted newform
Twist Min Dim Char Parity Ord Type
12.18.a.b.1.1 1 4.3 odd 2
36.18.a.a.1.1 1 12.11 even 2
48.18.a.b.1.1 1 1.1 even 1 trivial