Properties

Label 9702.2.a.cx.1.1
Level $9702$
Weight $2$
Character 9702.1
Self dual yes
Analytic conductor $77.471$
Analytic rank $0$
Dimension $2$
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] = [9702,2,Mod(1,9702)] 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("9702.1"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(9702, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 9702 = 2 \cdot 3^{2} \cdot 7^{2} \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 9702.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [2,-2,0,2,4,0,0,-2,0,-4,-2,0,-2,0,0,2,4,0,-4,4,0,2,4,0,2,2,0, 0,6,0,-8] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(31)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(77.4708600410\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\zeta_{8})^+\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - 2 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 154)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

Embedding invariants

Embedding label 1.1
Root \(-1.41421\) of defining polynomial
Character \(\chi\) \(=\) 9702.1

$q$-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)
 
\(f(q)\) \(=\) \(q-1.00000 q^{2} +1.00000 q^{4} +0.585786 q^{5} -1.00000 q^{8} -0.585786 q^{10} -1.00000 q^{11} -3.82843 q^{13} +1.00000 q^{16} -3.65685 q^{17} -0.585786 q^{19} +0.585786 q^{20} +1.00000 q^{22} +6.24264 q^{23} -4.65685 q^{25} +3.82843 q^{26} -2.65685 q^{29} -4.00000 q^{31} -1.00000 q^{32} +3.65685 q^{34} -9.41421 q^{37} +0.585786 q^{38} -0.585786 q^{40} +5.41421 q^{41} -5.65685 q^{43} -1.00000 q^{44} -6.24264 q^{46} +10.4853 q^{47} +4.65685 q^{50} -3.82843 q^{52} -7.89949 q^{53} -0.585786 q^{55} +2.65685 q^{58} +5.58579 q^{59} +11.8284 q^{61} +4.00000 q^{62} +1.00000 q^{64} -2.24264 q^{65} +2.75736 q^{67} -3.65685 q^{68} +11.0711 q^{71} -9.41421 q^{73} +9.41421 q^{74} -0.585786 q^{76} -13.2426 q^{79} +0.585786 q^{80} -5.41421 q^{82} +12.1421 q^{83} -2.14214 q^{85} +5.65685 q^{86} +1.00000 q^{88} -12.4853 q^{89} +6.24264 q^{92} -10.4853 q^{94} -0.343146 q^{95} -3.82843 q^{97} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - 2 q^{2} + 2 q^{4} + 4 q^{5} - 2 q^{8} - 4 q^{10} - 2 q^{11} - 2 q^{13} + 2 q^{16} + 4 q^{17} - 4 q^{19} + 4 q^{20} + 2 q^{22} + 4 q^{23} + 2 q^{25} + 2 q^{26} + 6 q^{29} - 8 q^{31} - 2 q^{32} - 4 q^{34}+ \cdots - 2 q^{97}+O(q^{100}) \) 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:
\(n\) \(a_n\) \(a_n / n^{(k-1)/2}\) \( \alpha_n \) \( \theta_n \)
\(p\) \(a_p\) \(a_p / p^{(k-1)/2}\) \( \alpha_p\) \( \theta_p \)
\(2\) −1.00000 −0.707107
\(3\) 0 0
\(4\) 1.00000 0.500000
\(5\) 0.585786 0.261972 0.130986 0.991384i \(-0.458186\pi\)
0.130986 + 0.991384i \(0.458186\pi\)
\(6\) 0 0
\(7\) 0 0
\(8\) −1.00000 −0.353553
\(9\) 0 0
\(10\) −0.585786 −0.185242
\(11\) −1.00000 −0.301511
\(12\) 0 0
\(13\) −3.82843 −1.06181 −0.530907 0.847430i \(-0.678149\pi\)
−0.530907 + 0.847430i \(0.678149\pi\)
\(14\) 0 0
\(15\) 0 0
\(16\) 1.00000 0.250000
\(17\) −3.65685 −0.886917 −0.443459 0.896295i \(-0.646249\pi\)
−0.443459 + 0.896295i \(0.646249\pi\)
\(18\) 0 0
\(19\) −0.585786 −0.134389 −0.0671943 0.997740i \(-0.521405\pi\)
−0.0671943 + 0.997740i \(0.521405\pi\)
\(20\) 0.585786 0.130986
\(21\) 0 0
\(22\) 1.00000 0.213201
\(23\) 6.24264 1.30168 0.650840 0.759215i \(-0.274417\pi\)
0.650840 + 0.759215i \(0.274417\pi\)
\(24\) 0 0
\(25\) −4.65685 −0.931371
\(26\) 3.82843 0.750816
\(27\) 0 0
\(28\) 0 0
\(29\) −2.65685 −0.493365 −0.246683 0.969096i \(-0.579341\pi\)
−0.246683 + 0.969096i \(0.579341\pi\)
\(30\) 0 0
\(31\) −4.00000 −0.718421 −0.359211 0.933257i \(-0.616954\pi\)
−0.359211 + 0.933257i \(0.616954\pi\)
\(32\) −1.00000 −0.176777
\(33\) 0 0
\(34\) 3.65685 0.627145
\(35\) 0 0
\(36\) 0 0
\(37\) −9.41421 −1.54769 −0.773844 0.633377i \(-0.781668\pi\)
−0.773844 + 0.633377i \(0.781668\pi\)
\(38\) 0.585786 0.0950271
\(39\) 0 0
\(40\) −0.585786 −0.0926210
\(41\) 5.41421 0.845558 0.422779 0.906233i \(-0.361055\pi\)
0.422779 + 0.906233i \(0.361055\pi\)
\(42\) 0 0
\(43\) −5.65685 −0.862662 −0.431331 0.902194i \(-0.641956\pi\)
−0.431331 + 0.902194i \(0.641956\pi\)
\(44\) −1.00000 −0.150756
\(45\) 0 0
\(46\) −6.24264 −0.920427
\(47\) 10.4853 1.52944 0.764718 0.644365i \(-0.222878\pi\)
0.764718 + 0.644365i \(0.222878\pi\)
\(48\) 0 0
\(49\) 0 0
\(50\) 4.65685 0.658579
\(51\) 0 0
\(52\) −3.82843 −0.530907
\(53\) −7.89949 −1.08508 −0.542540 0.840030i \(-0.682537\pi\)
−0.542540 + 0.840030i \(0.682537\pi\)
\(54\) 0 0
\(55\) −0.585786 −0.0789874
\(56\) 0 0
\(57\) 0 0
\(58\) 2.65685 0.348862
\(59\) 5.58579 0.727207 0.363604 0.931554i \(-0.381546\pi\)
0.363604 + 0.931554i \(0.381546\pi\)
\(60\) 0 0
\(61\) 11.8284 1.51447 0.757237 0.653140i \(-0.226549\pi\)
0.757237 + 0.653140i \(0.226549\pi\)
\(62\) 4.00000 0.508001
\(63\) 0 0
\(64\) 1.00000 0.125000
\(65\) −2.24264 −0.278165
\(66\) 0 0
\(67\) 2.75736 0.336865 0.168433 0.985713i \(-0.446129\pi\)
0.168433 + 0.985713i \(0.446129\pi\)
\(68\) −3.65685 −0.443459
\(69\) 0 0
\(70\) 0 0
\(71\) 11.0711 1.31389 0.656947 0.753937i \(-0.271848\pi\)
0.656947 + 0.753937i \(0.271848\pi\)
\(72\) 0 0
\(73\) −9.41421 −1.10185 −0.550925 0.834555i \(-0.685725\pi\)
−0.550925 + 0.834555i \(0.685725\pi\)
\(74\) 9.41421 1.09438
\(75\) 0 0
\(76\) −0.585786 −0.0671943
\(77\) 0 0
\(78\) 0 0
\(79\) −13.2426 −1.48991 −0.744957 0.667113i \(-0.767530\pi\)
−0.744957 + 0.667113i \(0.767530\pi\)
\(80\) 0.585786 0.0654929
\(81\) 0 0
\(82\) −5.41421 −0.597900
\(83\) 12.1421 1.33277 0.666386 0.745607i \(-0.267840\pi\)
0.666386 + 0.745607i \(0.267840\pi\)
\(84\) 0 0
\(85\) −2.14214 −0.232347
\(86\) 5.65685 0.609994
\(87\) 0 0
\(88\) 1.00000 0.106600
\(89\) −12.4853 −1.32344 −0.661719 0.749752i \(-0.730173\pi\)
−0.661719 + 0.749752i \(0.730173\pi\)
\(90\) 0 0
\(91\) 0 0
\(92\) 6.24264 0.650840
\(93\) 0 0
\(94\) −10.4853 −1.08147
\(95\) −0.343146 −0.0352060
\(96\) 0 0
\(97\) −3.82843 −0.388718 −0.194359 0.980930i \(-0.562263\pi\)
−0.194359 + 0.980930i \(0.562263\pi\)
\(98\) 0 0
\(99\) 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 9702.2.a.cx.1.1 2
3.2 odd 2 1078.2.a.t.1.1 2
7.2 even 3 1386.2.k.t.991.2 4
7.4 even 3 1386.2.k.t.793.2 4
7.6 odd 2 9702.2.a.ch.1.2 2
12.11 even 2 8624.2.a.cc.1.2 2
21.2 odd 6 154.2.e.e.67.2 yes 4
21.5 even 6 1078.2.e.m.67.1 4
21.11 odd 6 154.2.e.e.23.2 4
21.17 even 6 1078.2.e.m.177.1 4
21.20 even 2 1078.2.a.x.1.2 2
84.11 even 6 1232.2.q.f.177.1 4
84.23 even 6 1232.2.q.f.529.1 4
84.83 odd 2 8624.2.a.bh.1.1 2
    
        By twisted newform
Twist Min Dim Char Parity Ord Type
154.2.e.e.23.2 4 21.11 odd 6
154.2.e.e.67.2 yes 4 21.2 odd 6
1078.2.a.t.1.1 2 3.2 odd 2
1078.2.a.x.1.2 2 21.20 even 2
1078.2.e.m.67.1 4 21.5 even 6
1078.2.e.m.177.1 4 21.17 even 6
1232.2.q.f.177.1 4 84.11 even 6
1232.2.q.f.529.1 4 84.23 even 6
1386.2.k.t.793.2 4 7.4 even 3
1386.2.k.t.991.2 4 7.2 even 3
8624.2.a.bh.1.1 2 84.83 odd 2
8624.2.a.cc.1.2 2 12.11 even 2
9702.2.a.ch.1.2 2 7.6 odd 2
9702.2.a.cx.1.1 2 1.1 even 1 trivial