Show commands: Magma / Pari/GP / SageMath

Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [2100,2,Mod(1,2100)] 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("2100.1"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(2100, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0, 0])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 2100 = 2^{2} \cdot 3 \cdot 5^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2100.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [1,0,1,0,0,0,-1,0,1,0,-4,0,6] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(13)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(16.7685844245\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 420)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

Embedding invariants

Embedding label 1.1
Character \(\chi\) \(=\) 2100.1

$q$-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)
 
\(f(q)\) \(=\) \(q+1.00000 q^{3} -1.00000 q^{7} +1.00000 q^{9} -4.00000 q^{11} +6.00000 q^{13} -2.00000 q^{17} +6.00000 q^{19} -1.00000 q^{21} -2.00000 q^{23} +1.00000 q^{27} +6.00000 q^{29} -2.00000 q^{31} -4.00000 q^{33} +4.00000 q^{37} +6.00000 q^{39} +8.00000 q^{41} +4.00000 q^{43} -4.00000 q^{47} +1.00000 q^{49} -2.00000 q^{51} -6.00000 q^{53} +6.00000 q^{57} +4.00000 q^{59} +14.0000 q^{61} -1.00000 q^{63} -4.00000 q^{67} -2.00000 q^{69} +10.0000 q^{73} +4.00000 q^{77} +1.00000 q^{81} +16.0000 q^{83} +6.00000 q^{87} +8.00000 q^{89} -6.00000 q^{91} -2.00000 q^{93} -10.0000 q^{97} -4.00000 q^{99} +O(q^{100})\)

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:
\(n\) \(a_n\) \(a_n / n^{(k-1)/2}\) \( \alpha_n \) \( \theta_n \)
\(p\) \(a_p\) \(a_p / p^{(k-1)/2}\) \( \alpha_p\) \( \theta_p \)
\(2\) 0 0
\(3\) 1.00000 0.577350
\(4\) 0 0
\(5\) 0 0
\(6\) 0 0
\(7\) −1.00000 −0.377964
\(8\) 0 0
\(9\) 1.00000 0.333333
\(10\) 0 0
\(11\) −4.00000 −1.20605 −0.603023 0.797724i \(-0.706037\pi\)
−0.603023 + 0.797724i \(0.706037\pi\)
\(12\) 0 0
\(13\) 6.00000 1.66410 0.832050 0.554700i \(-0.187167\pi\)
0.832050 + 0.554700i \(0.187167\pi\)
\(14\) 0 0
\(15\) 0 0
\(16\) 0 0
\(17\) −2.00000 −0.485071 −0.242536 0.970143i \(-0.577979\pi\)
−0.242536 + 0.970143i \(0.577979\pi\)
\(18\) 0 0
\(19\) 6.00000 1.37649 0.688247 0.725476i \(-0.258380\pi\)
0.688247 + 0.725476i \(0.258380\pi\)
\(20\) 0 0
\(21\) −1.00000 −0.218218
\(22\) 0 0
\(23\) −2.00000 −0.417029 −0.208514 0.978019i \(-0.566863\pi\)
−0.208514 + 0.978019i \(0.566863\pi\)
\(24\) 0 0
\(25\) 0 0
\(26\) 0 0
\(27\) 1.00000 0.192450
\(28\) 0 0
\(29\) 6.00000 1.11417 0.557086 0.830455i \(-0.311919\pi\)
0.557086 + 0.830455i \(0.311919\pi\)
\(30\) 0 0
\(31\) −2.00000 −0.359211 −0.179605 0.983739i \(-0.557482\pi\)
−0.179605 + 0.983739i \(0.557482\pi\)
\(32\) 0 0
\(33\) −4.00000 −0.696311
\(34\) 0 0
\(35\) 0 0
\(36\) 0 0
\(37\) 4.00000 0.657596 0.328798 0.944400i \(-0.393356\pi\)
0.328798 + 0.944400i \(0.393356\pi\)
\(38\) 0 0
\(39\) 6.00000 0.960769
\(40\) 0 0
\(41\) 8.00000 1.24939 0.624695 0.780869i \(-0.285223\pi\)
0.624695 + 0.780869i \(0.285223\pi\)
\(42\) 0 0
\(43\) 4.00000 0.609994 0.304997 0.952353i \(-0.401344\pi\)
0.304997 + 0.952353i \(0.401344\pi\)
\(44\) 0 0
\(45\) 0 0
\(46\) 0 0
\(47\) −4.00000 −0.583460 −0.291730 0.956501i \(-0.594231\pi\)
−0.291730 + 0.956501i \(0.594231\pi\)
\(48\) 0 0
\(49\) 1.00000 0.142857
\(50\) 0 0
\(51\) −2.00000 −0.280056
\(52\) 0 0
\(53\) −6.00000 −0.824163 −0.412082 0.911147i \(-0.635198\pi\)
−0.412082 + 0.911147i \(0.635198\pi\)
\(54\) 0 0
\(55\) 0 0
\(56\) 0 0
\(57\) 6.00000 0.794719
\(58\) 0 0
\(59\) 4.00000 0.520756 0.260378 0.965507i \(-0.416153\pi\)
0.260378 + 0.965507i \(0.416153\pi\)
\(60\) 0 0
\(61\) 14.0000 1.79252 0.896258 0.443533i \(-0.146275\pi\)
0.896258 + 0.443533i \(0.146275\pi\)
\(62\) 0 0
\(63\) −1.00000 −0.125988
\(64\) 0 0
\(65\) 0 0
\(66\) 0 0
\(67\) −4.00000 −0.488678 −0.244339 0.969690i \(-0.578571\pi\)
−0.244339 + 0.969690i \(0.578571\pi\)
\(68\) 0 0
\(69\) −2.00000 −0.240772
\(70\) 0 0
\(71\) 0 0 1.00000i \(-0.5\pi\)
1.00000i \(0.5\pi\)
\(72\) 0 0
\(73\) 10.0000 1.17041 0.585206 0.810885i \(-0.301014\pi\)
0.585206 + 0.810885i \(0.301014\pi\)
\(74\) 0 0
\(75\) 0 0
\(76\) 0 0
\(77\) 4.00000 0.455842
\(78\) 0 0
\(79\) 0 0 1.00000i \(-0.5\pi\)
1.00000i \(0.5\pi\)
\(80\) 0 0
\(81\) 1.00000 0.111111
\(82\) 0 0
\(83\) 16.0000 1.75623 0.878114 0.478451i \(-0.158802\pi\)
0.878114 + 0.478451i \(0.158802\pi\)
\(84\) 0 0
\(85\) 0 0
\(86\) 0 0
\(87\) 6.00000 0.643268
\(88\) 0 0
\(89\) 8.00000 0.847998 0.423999 0.905663i \(-0.360626\pi\)
0.423999 + 0.905663i \(0.360626\pi\)
\(90\) 0 0
\(91\) −6.00000 −0.628971
\(92\) 0 0
\(93\) −2.00000 −0.207390
\(94\) 0 0
\(95\) 0 0
\(96\) 0 0
\(97\) −10.0000 −1.01535 −0.507673 0.861550i \(-0.669494\pi\)
−0.507673 + 0.861550i \(0.669494\pi\)
\(98\) 0 0
\(99\) −4.00000 −0.402015
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 2100.2.a.j.1.1 1
3.2 odd 2 6300.2.a.n.1.1 1
4.3 odd 2 8400.2.a.bh.1.1 1
5.2 odd 4 420.2.k.a.169.1 2
5.3 odd 4 420.2.k.a.169.2 yes 2
5.4 even 2 2100.2.a.e.1.1 1
15.2 even 4 1260.2.k.d.1009.1 2
15.8 even 4 1260.2.k.d.1009.2 2
15.14 odd 2 6300.2.a.bc.1.1 1
20.3 even 4 1680.2.t.a.1009.1 2
20.7 even 4 1680.2.t.a.1009.2 2
20.19 odd 2 8400.2.a.cd.1.1 1
35.2 odd 12 2940.2.bb.h.949.2 4
35.3 even 12 2940.2.bb.c.1549.1 4
35.12 even 12 2940.2.bb.c.949.1 4
35.13 even 4 2940.2.k.d.589.1 2
35.17 even 12 2940.2.bb.c.1549.2 4
35.18 odd 12 2940.2.bb.h.1549.2 4
35.23 odd 12 2940.2.bb.h.949.1 4
35.27 even 4 2940.2.k.d.589.2 2
35.32 odd 12 2940.2.bb.h.1549.1 4
35.33 even 12 2940.2.bb.c.949.2 4
60.23 odd 4 5040.2.t.o.1009.2 2
60.47 odd 4 5040.2.t.o.1009.1 2
    
        By twisted newform
Twist Min Dim Char Parity Ord Type
420.2.k.a.169.1 2 5.2 odd 4
420.2.k.a.169.2 yes 2 5.3 odd 4
1260.2.k.d.1009.1 2 15.2 even 4
1260.2.k.d.1009.2 2 15.8 even 4
1680.2.t.a.1009.1 2 20.3 even 4
1680.2.t.a.1009.2 2 20.7 even 4
2100.2.a.e.1.1 1 5.4 even 2
2100.2.a.j.1.1 1 1.1 even 1 trivial
2940.2.k.d.589.1 2 35.13 even 4
2940.2.k.d.589.2 2 35.27 even 4
2940.2.bb.c.949.1 4 35.12 even 12
2940.2.bb.c.949.2 4 35.33 even 12
2940.2.bb.c.1549.1 4 35.3 even 12
2940.2.bb.c.1549.2 4 35.17 even 12
2940.2.bb.h.949.1 4 35.23 odd 12
2940.2.bb.h.949.2 4 35.2 odd 12
2940.2.bb.h.1549.1 4 35.32 odd 12
2940.2.bb.h.1549.2 4 35.18 odd 12
5040.2.t.o.1009.1 2 60.47 odd 4
5040.2.t.o.1009.2 2 60.23 odd 4
6300.2.a.n.1.1 1 3.2 odd 2
6300.2.a.bc.1.1 1 15.14 odd 2
8400.2.a.bh.1.1 1 4.3 odd 2
8400.2.a.cd.1.1 1 20.19 odd 2