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Properties

Label 2646.2.a.p.1.1
Level $2646$
Weight $2$
Character 2646.1
Self dual yes
Analytic conductor $21.128$
Analytic rank $0$
Dimension $1$
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] = [2646,2,Mod(1,2646)] 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("2646.1"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(2646, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 2646 = 2 \cdot 3^{3} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2646.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [1,1,0,1,-4,0,0,1,0,-4,-4,0,-3] 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: \(21.1284163748\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 378)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

Embedding invariants

Embedding label 1.1
Character \(\chi\) \(=\) 2646.1

$q$-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)
 
\(f(q)\) \(=\) \(q+1.00000 q^{2} +1.00000 q^{4} -4.00000 q^{5} +1.00000 q^{8} -4.00000 q^{10} -4.00000 q^{11} -3.00000 q^{13} +1.00000 q^{16} +7.00000 q^{17} -2.00000 q^{19} -4.00000 q^{20} -4.00000 q^{22} -1.00000 q^{23} +11.0000 q^{25} -3.00000 q^{26} +1.00000 q^{29} +9.00000 q^{31} +1.00000 q^{32} +7.00000 q^{34} +2.00000 q^{37} -2.00000 q^{38} -4.00000 q^{40} -6.00000 q^{41} +11.0000 q^{43} -4.00000 q^{44} -1.00000 q^{46} +6.00000 q^{47} +11.0000 q^{50} -3.00000 q^{52} -9.00000 q^{53} +16.0000 q^{55} +1.00000 q^{58} +5.00000 q^{59} +6.00000 q^{61} +9.00000 q^{62} +1.00000 q^{64} +12.0000 q^{65} +7.00000 q^{67} +7.00000 q^{68} -7.00000 q^{71} +14.0000 q^{73} +2.00000 q^{74} -2.00000 q^{76} -6.00000 q^{79} -4.00000 q^{80} -6.00000 q^{82} +4.00000 q^{83} -28.0000 q^{85} +11.0000 q^{86} -4.00000 q^{88} +3.00000 q^{89} -1.00000 q^{92} +6.00000 q^{94} +8.00000 q^{95} +8.00000 q^{97} +O(q^{100})\)

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
\(3\) 0 0
\(4\) 1.00000 0.500000
\(5\) −4.00000 −1.78885 −0.894427 − 0.447214i \(-0.852416\pi\)
−0.894427 + 0.447214i \(0.852416\pi\)
\(6\) 0 0
\(7\) 0 0
\(8\) 1.00000 0.353553
\(9\) 0 0
\(10\) −4.00000 −1.26491
\(11\) −4.00000 −1.20605 −0.603023 − 0.797724i \(-0.706037\pi\)
−0.603023 + 0.797724i \(0.706037\pi\)
\(12\) 0 0
\(13\) −3.00000 −0.832050 −0.416025 − 0.909353i \(-0.636577\pi\)
−0.416025 + 0.909353i \(0.636577\pi\)
\(14\) 0 0
\(15\) 0 0
\(16\) 1.00000 0.250000
\(17\) 7.00000 1.69775 0.848875 − 0.528594i \(-0.177281\pi\)
0.848875 + 0.528594i \(0.177281\pi\)
\(18\) 0 0
\(19\) −2.00000 −0.458831 −0.229416 − 0.973329i \(-0.573682\pi\)
−0.229416 + 0.973329i \(0.573682\pi\)
\(20\) −4.00000 −0.894427
\(21\) 0 0
\(22\) −4.00000 −0.852803
\(23\) −1.00000 −0.208514 −0.104257 − 0.994550i \(-0.533247\pi\)
−0.104257 + 0.994550i \(0.533247\pi\)
\(24\) 0 0
\(25\) 11.0000 2.20000
\(26\) −3.00000 −0.588348
\(27\) 0 0
\(28\) 0 0
\(29\) 1.00000 0.185695 0.0928477 − 0.995680i \(-0.470403\pi\)
0.0928477 + 0.995680i \(0.470403\pi\)
\(30\) 0 0
\(31\) 9.00000 1.61645 0.808224 − 0.588875i \(-0.200429\pi\)
0.808224 + 0.588875i \(0.200429\pi\)
\(32\) 1.00000 0.176777
\(33\) 0 0
\(34\) 7.00000 1.20049
\(35\) 0 0
\(36\) 0 0
\(37\) 2.00000 0.328798 0.164399 − 0.986394i \(-0.447432\pi\)
0.164399 + 0.986394i \(0.447432\pi\)
\(38\) −2.00000 −0.324443
\(39\) 0 0
\(40\) −4.00000 −0.632456
\(41\) −6.00000 −0.937043 −0.468521 − 0.883452i \(-0.655213\pi\)
−0.468521 + 0.883452i \(0.655213\pi\)
\(42\) 0 0
\(43\) 11.0000 1.67748 0.838742 − 0.544529i \(-0.183292\pi\)
0.838742 + 0.544529i \(0.183292\pi\)
\(44\) −4.00000 −0.603023
\(45\) 0 0
\(46\) −1.00000 −0.147442
\(47\) 6.00000 0.875190 0.437595 − 0.899172i \(-0.355830\pi\)
0.437595 + 0.899172i \(0.355830\pi\)
\(48\) 0 0
\(49\) 0 0
\(50\) 11.0000 1.55563
\(51\) 0 0
\(52\) −3.00000 −0.416025
\(53\) −9.00000 −1.23625 −0.618123 − 0.786082i \(-0.712106\pi\)
−0.618123 + 0.786082i \(0.712106\pi\)
\(54\) 0 0
\(55\) 16.0000 2.15744
\(56\) 0 0
\(57\) 0 0
\(58\) 1.00000 0.131306
\(59\) 5.00000 0.650945 0.325472 − 0.945552i \(-0.394477\pi\)
0.325472 + 0.945552i \(0.394477\pi\)
\(60\) 0 0
\(61\) 6.00000 0.768221 0.384111 − 0.923287i \(-0.374508\pi\)
0.384111 + 0.923287i \(0.374508\pi\)
\(62\) 9.00000 1.14300
\(63\) 0 0
\(64\) 1.00000 0.125000
\(65\) 12.0000 1.48842
\(66\) 0 0
\(67\) 7.00000 0.855186 0.427593 − 0.903971i \(-0.359362\pi\)
0.427593 + 0.903971i \(0.359362\pi\)
\(68\) 7.00000 0.848875
\(69\) 0 0
\(70\) 0 0
\(71\) −7.00000 −0.830747 −0.415374 − 0.909651i \(-0.636349\pi\)
−0.415374 + 0.909651i \(0.636349\pi\)
\(72\) 0 0
\(73\) 14.0000 1.63858 0.819288 − 0.573382i \(-0.194369\pi\)
0.819288 + 0.573382i \(0.194369\pi\)
\(74\) 2.00000 0.232495
\(75\) 0 0
\(76\) −2.00000 −0.229416
\(77\) 0 0
\(78\) 0 0
\(79\) −6.00000 −0.675053 −0.337526 − 0.941316i \(-0.609590\pi\)
−0.337526 + 0.941316i \(0.609590\pi\)
\(80\) −4.00000 −0.447214
\(81\) 0 0
\(82\) −6.00000 −0.662589
\(83\) 4.00000 0.439057 0.219529 − 0.975606i \(-0.429548\pi\)
0.219529 + 0.975606i \(0.429548\pi\)
\(84\) 0 0
\(85\) −28.0000 −3.03703
\(86\) 11.0000 1.18616
\(87\) 0 0
\(88\) −4.00000 −0.426401
\(89\) 3.00000 0.317999 0.159000 − 0.987279i \(-0.449173\pi\)
0.159000 + 0.987279i \(0.449173\pi\)
\(90\) 0 0
\(91\) 0 0
\(92\) −1.00000 −0.104257
\(93\) 0 0
\(94\) 6.00000 0.618853
\(95\) 8.00000 0.820783
\(96\) 0 0
\(97\) 8.00000 0.812277 0.406138 − 0.913812i \(-0.366875\pi\)
0.406138 + 0.913812i \(0.366875\pi\)
\(98\) 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 2646.2.a.p.1.1 1
3.2 odd 2 2646.2.a.o.1.1 1
7.6 odd 2 378.2.a.h.1.1 yes 1
21.20 even 2 378.2.a.a.1.1 ✓ 1
28.27 even 2 3024.2.a.bd.1.1 1
35.34 odd 2 9450.2.a.bc.1.1 1
63.13 odd 6 1134.2.f.a.379.1 2
63.20 even 6 1134.2.f.p.757.1 2
63.34 odd 6 1134.2.f.a.757.1 2
63.41 even 6 1134.2.f.p.379.1 2
84.83 odd 2 3024.2.a.a.1.1 1
105.104 even 2 9450.2.a.dv.1.1 1
    
        By twisted newform
Twist Min Dim Char Parity Ord Type
378.2.a.a.1.1 ✓ 1 21.20 even 2
378.2.a.h.1.1 yes 1 7.6 odd 2
1134.2.f.a.379.1 2 63.13 odd 6
1134.2.f.a.757.1 2 63.34 odd 6
1134.2.f.p.379.1 2 63.41 even 6
1134.2.f.p.757.1 2 63.20 even 6
2646.2.a.o.1.1 1 3.2 odd 2
2646.2.a.p.1.1 1 1.1 even 1 trivial
3024.2.a.a.1.1 1 84.83 odd 2
3024.2.a.bd.1.1 1 28.27 even 2
9450.2.a.bc.1.1 1 35.34 odd 2
9450.2.a.dv.1.1 1 105.104 even 2