Properties

Label 3720.2.a.t.1.2
Level $3720$
Weight $2$
Character 3720.1
Self dual yes
Analytic conductor $29.704$
Analytic rank $0$
Dimension $4$
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] = [3720,2,Mod(1,3720)] 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("3720.1"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(3720, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0, 0, 0])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 3720 = 2^{3} \cdot 3 \cdot 5 \cdot 31 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3720.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [4,0,-4,0,4,0,-1] 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: \(29.7043495519\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: 4.4.92692.1
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - 2x^{3} - 8x^{2} + 8x + 9 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

Embedding invariants

Embedding label 1.2
Root \(-0.727241\) of defining polynomial
Character \(\chi\) \(=\) 3720.1

$q$-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)
 
\(f(q)\) \(=\) \(q-1.00000 q^{3} +1.00000 q^{5} -2.58859 q^{7} +1.00000 q^{9} -0.861351 q^{11} +3.72724 q^{13} -1.00000 q^{15} +5.01664 q^{17} -2.31583 q^{19} +2.58859 q^{21} -5.33247 q^{23} +1.00000 q^{25} -1.00000 q^{27} +6.19836 q^{29} -1.00000 q^{31} +0.861351 q^{33} -2.58859 q^{35} +1.72724 q^{37} -3.72724 q^{39} -5.48776 q^{41} +3.77031 q^{43} +1.00000 q^{45} -0.437842 q^{47} -0.299193 q^{49} -5.01664 q^{51} -8.82023 q^{53} -0.861351 q^{55} +2.31583 q^{57} -4.74388 q^{59} -4.90896 q^{61} -2.58859 q^{63} +3.72724 q^{65} +6.35891 q^{67} +5.33247 q^{69} +15.7247 q^{71} +15.2535 q^{73} -1.00000 q^{75} +2.22969 q^{77} +9.05517 q^{79} +1.00000 q^{81} +13.6816 q^{83} +5.01664 q^{85} -6.19836 q^{87} -14.2702 q^{89} -9.64830 q^{91} +1.00000 q^{93} -2.31583 q^{95} -16.1527 q^{97} -0.861351 q^{99} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 4 q^{3} + 4 q^{5} - q^{7} + 4 q^{9} + q^{11} + 10 q^{13} - 4 q^{15} + 12 q^{17} + 5 q^{19} + q^{21} + q^{23} + 4 q^{25} - 4 q^{27} + 2 q^{29} - 4 q^{31} - q^{33} - q^{35} + 2 q^{37} - 10 q^{39}+ \cdots + q^{99}+O(q^{100}) \) 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:
\(n\) \(a_n\) \(a_n / n^{(k-1)/2}\) \( \alpha_n \) \( \theta_n \)
\(p\) \(a_p\) \(a_p / p^{(k-1)/2}\) \( \alpha_p\) \( \theta_p \)
\(2\) 0 0
\(3\) −1.00000 −0.577350
\(4\) 0 0
\(5\) 1.00000 0.447214
\(6\) 0 0
\(7\) −2.58859 −0.978396 −0.489198 0.872173i \(-0.662710\pi\)
−0.489198 + 0.872173i \(0.662710\pi\)
\(8\) 0 0
\(9\) 1.00000 0.333333
\(10\) 0 0
\(11\) −0.861351 −0.259707 −0.129854 0.991533i \(-0.541451\pi\)
−0.129854 + 0.991533i \(0.541451\pi\)
\(12\) 0 0
\(13\) 3.72724 1.03375 0.516875 0.856061i \(-0.327095\pi\)
0.516875 + 0.856061i \(0.327095\pi\)
\(14\) 0 0
\(15\) −1.00000 −0.258199
\(16\) 0 0
\(17\) 5.01664 1.21671 0.608357 0.793664i \(-0.291829\pi\)
0.608357 + 0.793664i \(0.291829\pi\)
\(18\) 0 0
\(19\) −2.31583 −0.531288 −0.265644 0.964071i \(-0.585585\pi\)
−0.265644 + 0.964071i \(0.585585\pi\)
\(20\) 0 0
\(21\) 2.58859 0.564877
\(22\) 0 0
\(23\) −5.33247 −1.11190 −0.555949 0.831217i \(-0.687645\pi\)
−0.555949 + 0.831217i \(0.687645\pi\)
\(24\) 0 0
\(25\) 1.00000 0.200000
\(26\) 0 0
\(27\) −1.00000 −0.192450
\(28\) 0 0
\(29\) 6.19836 1.15101 0.575503 0.817799i \(-0.304806\pi\)
0.575503 + 0.817799i \(0.304806\pi\)
\(30\) 0 0
\(31\) −1.00000 −0.179605
\(32\) 0 0
\(33\) 0.861351 0.149942
\(34\) 0 0
\(35\) −2.58859 −0.437552
\(36\) 0 0
\(37\) 1.72724 0.283957 0.141978 0.989870i \(-0.454654\pi\)
0.141978 + 0.989870i \(0.454654\pi\)
\(38\) 0 0
\(39\) −3.72724 −0.596836
\(40\) 0 0
\(41\) −5.48776 −0.857044 −0.428522 0.903531i \(-0.640966\pi\)
−0.428522 + 0.903531i \(0.640966\pi\)
\(42\) 0 0
\(43\) 3.77031 0.574967 0.287484 0.957786i \(-0.407181\pi\)
0.287484 + 0.957786i \(0.407181\pi\)
\(44\) 0 0
\(45\) 1.00000 0.149071
\(46\) 0 0
\(47\) −0.437842 −0.0638658 −0.0319329 0.999490i \(-0.510166\pi\)
−0.0319329 + 0.999490i \(0.510166\pi\)
\(48\) 0 0
\(49\) −0.299193 −0.0427418
\(50\) 0 0
\(51\) −5.01664 −0.702470
\(52\) 0 0
\(53\) −8.82023 −1.21155 −0.605776 0.795635i \(-0.707137\pi\)
−0.605776 + 0.795635i \(0.707137\pi\)
\(54\) 0 0
\(55\) −0.861351 −0.116145
\(56\) 0 0
\(57\) 2.31583 0.306739
\(58\) 0 0
\(59\) −4.74388 −0.617601 −0.308800 0.951127i \(-0.599927\pi\)
−0.308800 + 0.951127i \(0.599927\pi\)
\(60\) 0 0
\(61\) −4.90896 −0.628528 −0.314264 0.949336i \(-0.601758\pi\)
−0.314264 + 0.949336i \(0.601758\pi\)
\(62\) 0 0
\(63\) −2.58859 −0.326132
\(64\) 0 0
\(65\) 3.72724 0.462307
\(66\) 0 0
\(67\) 6.35891 0.776864 0.388432 0.921477i \(-0.373017\pi\)
0.388432 + 0.921477i \(0.373017\pi\)
\(68\) 0 0
\(69\) 5.33247 0.641954
\(70\) 0 0
\(71\) 15.7247 1.86617 0.933087 0.359651i \(-0.117104\pi\)
0.933087 + 0.359651i \(0.117104\pi\)
\(72\) 0 0
\(73\) 15.2535 1.78529 0.892646 0.450759i \(-0.148847\pi\)
0.892646 + 0.450759i \(0.148847\pi\)
\(74\) 0 0
\(75\) −1.00000 −0.115470
\(76\) 0 0
\(77\) 2.22969 0.254096
\(78\) 0 0
\(79\) 9.05517 1.01879 0.509393 0.860534i \(-0.329870\pi\)
0.509393 + 0.860534i \(0.329870\pi\)
\(80\) 0 0
\(81\) 1.00000 0.111111
\(82\) 0 0
\(83\) 13.6816 1.50175 0.750874 0.660445i \(-0.229632\pi\)
0.750874 + 0.660445i \(0.229632\pi\)
\(84\) 0 0
\(85\) 5.01664 0.544131
\(86\) 0 0
\(87\) −6.19836 −0.664534
\(88\) 0 0
\(89\) −14.2702 −1.51264 −0.756318 0.654204i \(-0.773004\pi\)
−0.756318 + 0.654204i \(0.773004\pi\)
\(90\) 0 0
\(91\) −9.64830 −1.01142
\(92\) 0 0
\(93\) 1.00000 0.103695
\(94\) 0 0
\(95\) −2.31583 −0.237599
\(96\) 0 0
\(97\) −16.1527 −1.64006 −0.820029 0.572321i \(-0.806043\pi\)
−0.820029 + 0.572321i \(0.806043\pi\)
\(98\) 0 0
\(99\) −0.861351 −0.0865690
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 3720.2.a.t.1.2 4
4.3 odd 2 7440.2.a.ca.1.3 4
    
        By twisted newform
Twist Min Dim Char Parity Ord Type
3720.2.a.t.1.2 4 1.1 even 1 trivial
7440.2.a.ca.1.3 4 4.3 odd 2