Show commands: Magma / Pari/GP / SageMath

Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [2738,2,Mod(1,2738)] 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("2738.1"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(2738, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 2738 = 2 \cdot 37^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2738.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [1,-1,-2,1,3,2,-4] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(7)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(21.8630400734\)
Analytic rank: \(1\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 74)
Fricke sign: \(+1\)
Sato-Tate group: $\mathrm{SU}(2)$

Embedding invariants

Embedding label 1.1
Character \(\chi\) \(=\) 2738.1

$q$-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)
 
\(f(q)\) \(=\) \(q-1.00000 q^{2} -2.00000 q^{3} +1.00000 q^{4} +3.00000 q^{5} +2.00000 q^{6} -4.00000 q^{7} -1.00000 q^{8} +1.00000 q^{9} -3.00000 q^{10} -6.00000 q^{11} -2.00000 q^{12} +2.00000 q^{13} +4.00000 q^{14} -6.00000 q^{15} +1.00000 q^{16} +3.00000 q^{17} -1.00000 q^{18} +2.00000 q^{19} +3.00000 q^{20} +8.00000 q^{21} +6.00000 q^{22} +6.00000 q^{23} +2.00000 q^{24} +4.00000 q^{25} -2.00000 q^{26} +4.00000 q^{27} -4.00000 q^{28} +3.00000 q^{29} +6.00000 q^{30} +2.00000 q^{31} -1.00000 q^{32} +12.0000 q^{33} -3.00000 q^{34} -12.0000 q^{35} +1.00000 q^{36} -2.00000 q^{38} -4.00000 q^{39} -3.00000 q^{40} +3.00000 q^{41} -8.00000 q^{42} -4.00000 q^{43} -6.00000 q^{44} +3.00000 q^{45} -6.00000 q^{46} -6.00000 q^{47} -2.00000 q^{48} +9.00000 q^{49} -4.00000 q^{50} -6.00000 q^{51} +2.00000 q^{52} -6.00000 q^{53} -4.00000 q^{54} -18.0000 q^{55} +4.00000 q^{56} -4.00000 q^{57} -3.00000 q^{58} -6.00000 q^{60} -1.00000 q^{61} -2.00000 q^{62} -4.00000 q^{63} +1.00000 q^{64} +6.00000 q^{65} -12.0000 q^{66} +2.00000 q^{67} +3.00000 q^{68} -12.0000 q^{69} +12.0000 q^{70} -12.0000 q^{71} -1.00000 q^{72} -10.0000 q^{73} -8.00000 q^{75} +2.00000 q^{76} +24.0000 q^{77} +4.00000 q^{78} +14.0000 q^{79} +3.00000 q^{80} -11.0000 q^{81} -3.00000 q^{82} +6.00000 q^{83} +8.00000 q^{84} +9.00000 q^{85} +4.00000 q^{86} -6.00000 q^{87} +6.00000 q^{88} +3.00000 q^{89} -3.00000 q^{90} -8.00000 q^{91} +6.00000 q^{92} -4.00000 q^{93} +6.00000 q^{94} +6.00000 q^{95} +2.00000 q^{96} -13.0000 q^{97} -9.00000 q^{98} -6.00000 q^{99} +O(q^{100})\)

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:
\(n\) \(a_n\) \(a_n / n^{(k-1)/2}\) \( \alpha_n \) \( \theta_n \)
\(p\) \(a_p\) \(a_p / p^{(k-1)/2}\) \( \alpha_p\) \( \theta_p \)
\(2\) −1.00000 −0.707107
\(3\) −2.00000 −1.15470 −0.577350 − 0.816497i \(-0.695913\pi\)
−0.577350 + 0.816497i \(0.695913\pi\)
\(4\) 1.00000 0.500000
\(5\) 3.00000 1.34164 0.670820 − 0.741620i \(-0.265942\pi\)
0.670820 + 0.741620i \(0.265942\pi\)
\(6\) 2.00000 0.816497
\(7\) −4.00000 −1.51186 −0.755929 − 0.654654i \(-0.772814\pi\)
−0.755929 + 0.654654i \(0.772814\pi\)
\(8\) −1.00000 −0.353553
\(9\) 1.00000 0.333333
\(10\) −3.00000 −0.948683
\(11\) −6.00000 −1.80907 −0.904534 − 0.426401i \(-0.859781\pi\)
−0.904534 + 0.426401i \(0.859781\pi\)
\(12\) −2.00000 −0.577350
\(13\) 2.00000 0.554700 0.277350 − 0.960769i \(-0.410544\pi\)
0.277350 + 0.960769i \(0.410544\pi\)
\(14\) 4.00000 1.06904
\(15\) −6.00000 −1.54919
\(16\) 1.00000 0.250000
\(17\) 3.00000 0.727607 0.363803 − 0.931476i \(-0.381478\pi\)
0.363803 + 0.931476i \(0.381478\pi\)
\(18\) −1.00000 −0.235702
\(19\) 2.00000 0.458831 0.229416 − 0.973329i \(-0.426318\pi\)
0.229416 + 0.973329i \(0.426318\pi\)
\(20\) 3.00000 0.670820
\(21\) 8.00000 1.74574
\(22\) 6.00000 1.27920
\(23\) 6.00000 1.25109 0.625543 − 0.780189i \(-0.284877\pi\)
0.625543 + 0.780189i \(0.284877\pi\)
\(24\) 2.00000 0.408248
\(25\) 4.00000 0.800000
\(26\) −2.00000 −0.392232
\(27\) 4.00000 0.769800
\(28\) −4.00000 −0.755929
\(29\) 3.00000 0.557086 0.278543 − 0.960424i \(-0.410149\pi\)
0.278543 + 0.960424i \(0.410149\pi\)
\(30\) 6.00000 1.09545
\(31\) 2.00000 0.359211 0.179605 − 0.983739i \(-0.442518\pi\)
0.179605 + 0.983739i \(0.442518\pi\)
\(32\) −1.00000 −0.176777
\(33\) 12.0000 2.08893
\(34\) −3.00000 −0.514496
\(35\) −12.0000 −2.02837
\(36\) 1.00000 0.166667
\(37\) 0 0
\(38\) −2.00000 −0.324443
\(39\) −4.00000 −0.640513
\(40\) −3.00000 −0.474342
\(41\) 3.00000 0.468521 0.234261 − 0.972174i \(-0.424733\pi\)
0.234261 + 0.972174i \(0.424733\pi\)
\(42\) −8.00000 −1.23443
\(43\) −4.00000 −0.609994 −0.304997 − 0.952353i \(-0.598656\pi\)
−0.304997 + 0.952353i \(0.598656\pi\)
\(44\) −6.00000 −0.904534
\(45\) 3.00000 0.447214
\(46\) −6.00000 −0.884652
\(47\) −6.00000 −0.875190 −0.437595 − 0.899172i \(-0.644170\pi\)
−0.437595 + 0.899172i \(0.644170\pi\)
\(48\) −2.00000 −0.288675
\(49\) 9.00000 1.28571
\(50\) −4.00000 −0.565685
\(51\) −6.00000 −0.840168
\(52\) 2.00000 0.277350
\(53\) −6.00000 −0.824163 −0.412082 − 0.911147i \(-0.635198\pi\)
−0.412082 + 0.911147i \(0.635198\pi\)
\(54\) −4.00000 −0.544331
\(55\) −18.0000 −2.42712
\(56\) 4.00000 0.534522
\(57\) −4.00000 −0.529813
\(58\) −3.00000 −0.393919
\(59\) 0 0 − 1.00000i \(-0.5\pi\)
1.00000i \(0.5\pi\)
\(60\) −6.00000 −0.774597
\(61\) −1.00000 −0.128037 −0.0640184 − 0.997949i \(-0.520392\pi\)
−0.0640184 + 0.997949i \(0.520392\pi\)
\(62\) −2.00000 −0.254000
\(63\) −4.00000 −0.503953
\(64\) 1.00000 0.125000
\(65\) 6.00000 0.744208
\(66\) −12.0000 −1.47710
\(67\) 2.00000 0.244339 0.122169 − 0.992509i \(-0.461015\pi\)
0.122169 + 0.992509i \(0.461015\pi\)
\(68\) 3.00000 0.363803
\(69\) −12.0000 −1.44463
\(70\) 12.0000 1.43427
\(71\) −12.0000 −1.42414 −0.712069 − 0.702109i \(-0.752242\pi\)
−0.712069 + 0.702109i \(0.752242\pi\)
\(72\) −1.00000 −0.117851
\(73\) −10.0000 −1.17041 −0.585206 − 0.810885i \(-0.698986\pi\)
−0.585206 + 0.810885i \(0.698986\pi\)
\(74\) 0 0
\(75\) −8.00000 −0.923760
\(76\) 2.00000 0.229416
\(77\) 24.0000 2.73505
\(78\) 4.00000 0.452911
\(79\) 14.0000 1.57512 0.787562 − 0.616236i \(-0.211343\pi\)
0.787562 + 0.616236i \(0.211343\pi\)
\(80\) 3.00000 0.335410
\(81\) −11.0000 −1.22222
\(82\) −3.00000 −0.331295
\(83\) 6.00000 0.658586 0.329293 − 0.944228i \(-0.393190\pi\)
0.329293 + 0.944228i \(0.393190\pi\)
\(84\) 8.00000 0.872872
\(85\) 9.00000 0.976187
\(86\) 4.00000 0.431331
\(87\) −6.00000 −0.643268
\(88\) 6.00000 0.639602
\(89\) 3.00000 0.317999 0.159000 − 0.987279i \(-0.449173\pi\)
0.159000 + 0.987279i \(0.449173\pi\)
\(90\) −3.00000 −0.316228
\(91\) −8.00000 −0.838628
\(92\) 6.00000 0.625543
\(93\) −4.00000 −0.414781
\(94\) 6.00000 0.618853
\(95\) 6.00000 0.615587
\(96\) 2.00000 0.204124
\(97\) −13.0000 −1.31995 −0.659975 − 0.751288i \(-0.729433\pi\)
−0.659975 + 0.751288i \(0.729433\pi\)
\(98\) −9.00000 −0.909137
\(99\) −6.00000 −0.603023
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 2738.2.a.a.1.1 1
37.10 even 3 74.2.c.b.63.1 yes 2
37.26 even 3 74.2.c.b.47.1 ✓ 2
37.36 even 2 2738.2.a.c.1.1 1
111.26 odd 6 666.2.f.d.343.1 2
111.47 odd 6 666.2.f.d.433.1 2
148.47 odd 6 592.2.i.a.433.1 2
148.63 odd 6 592.2.i.a.417.1 2
    
        By twisted newform
Twist Min Dim Char Parity Ord Type
74.2.c.b.47.1 ✓ 2 37.26 even 3
74.2.c.b.63.1 yes 2 37.10 even 3
592.2.i.a.417.1 2 148.63 odd 6
592.2.i.a.433.1 2 148.47 odd 6
666.2.f.d.343.1 2 111.26 odd 6
666.2.f.d.433.1 2 111.47 odd 6
2738.2.a.a.1.1 1 1.1 even 1 trivial
2738.2.a.c.1.1 1 37.36 even 2