Properties

Label 7440.2.a.bh.1.2
Level $7440$
Weight $2$
Character 7440.1
Self dual yes
Analytic conductor $59.409$
Analytic rank $1$
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] = [7440,2,Mod(1,7440)] 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("7440.1"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(7440, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0, 0, 0])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 7440 = 2^{4} \cdot 3 \cdot 5 \cdot 31 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 7440.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [2,0,-2,0,2,0,4,0,2,0,0,0,-8,0,-2,0,0] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(17)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(59.4086991038\)
Analytic rank: \(1\)
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: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 3720)
Fricke sign: \(+1\)
Sato-Tate group: $\mathrm{SU}(2)$

Embedding invariants

Embedding label 1.2
Root \(1.41421\) of defining polynomial
Character \(\chi\) \(=\) 7440.1

$q$-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)
 
\(f(q)\) \(=\) \(q-1.00000 q^{3} +1.00000 q^{5} +3.41421 q^{7} +1.00000 q^{9} -2.82843 q^{11} -2.58579 q^{13} -1.00000 q^{15} -2.82843 q^{17} -2.82843 q^{19} -3.41421 q^{21} +7.65685 q^{23} +1.00000 q^{25} -1.00000 q^{27} -1.75736 q^{29} +1.00000 q^{31} +2.82843 q^{33} +3.41421 q^{35} -7.07107 q^{37} +2.58579 q^{39} +0.828427 q^{41} +1.65685 q^{43} +1.00000 q^{45} +0.343146 q^{47} +4.65685 q^{49} +2.82843 q^{51} -10.8284 q^{53} -2.82843 q^{55} +2.82843 q^{57} -2.58579 q^{59} +0.828427 q^{61} +3.41421 q^{63} -2.58579 q^{65} -5.07107 q^{67} -7.65685 q^{69} +2.58579 q^{71} -6.58579 q^{73} -1.00000 q^{75} -9.65685 q^{77} -3.17157 q^{79} +1.00000 q^{81} +2.00000 q^{83} -2.82843 q^{85} +1.75736 q^{87} +10.7279 q^{89} -8.82843 q^{91} -1.00000 q^{93} -2.82843 q^{95} -7.65685 q^{97} -2.82843 q^{99} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - 2 q^{3} + 2 q^{5} + 4 q^{7} + 2 q^{9} - 8 q^{13} - 2 q^{15} - 4 q^{21} + 4 q^{23} + 2 q^{25} - 2 q^{27} - 12 q^{29} + 2 q^{31} + 4 q^{35} + 8 q^{39} - 4 q^{41} - 8 q^{43} + 2 q^{45} + 12 q^{47} - 2 q^{49}+ \cdots - 4 q^{97}+O(q^{100}) \) 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:
\(n\) \(a_n\) \(a_n / n^{(k-1)/2}\) \( \alpha_n \) \( \theta_n \)
\(p\) \(a_p\) \(a_p / p^{(k-1)/2}\) \( \alpha_p\) \( \theta_p \)
\(2\) 0 0
\(3\) −1.00000 −0.577350
\(4\) 0 0
\(5\) 1.00000 0.447214
\(6\) 0 0
\(7\) 3.41421 1.29045 0.645226 0.763992i \(-0.276763\pi\)
0.645226 + 0.763992i \(0.276763\pi\)
\(8\) 0 0
\(9\) 1.00000 0.333333
\(10\) 0 0
\(11\) −2.82843 −0.852803 −0.426401 0.904534i \(-0.640219\pi\)
−0.426401 + 0.904534i \(0.640219\pi\)
\(12\) 0 0
\(13\) −2.58579 −0.717168 −0.358584 0.933497i \(-0.616740\pi\)
−0.358584 + 0.933497i \(0.616740\pi\)
\(14\) 0 0
\(15\) −1.00000 −0.258199
\(16\) 0 0
\(17\) −2.82843 −0.685994 −0.342997 0.939336i \(-0.611442\pi\)
−0.342997 + 0.939336i \(0.611442\pi\)
\(18\) 0 0
\(19\) −2.82843 −0.648886 −0.324443 0.945905i \(-0.605177\pi\)
−0.324443 + 0.945905i \(0.605177\pi\)
\(20\) 0 0
\(21\) −3.41421 −0.745042
\(22\) 0 0
\(23\) 7.65685 1.59656 0.798282 0.602284i \(-0.205742\pi\)
0.798282 + 0.602284i \(0.205742\pi\)
\(24\) 0 0
\(25\) 1.00000 0.200000
\(26\) 0 0
\(27\) −1.00000 −0.192450
\(28\) 0 0
\(29\) −1.75736 −0.326333 −0.163167 0.986599i \(-0.552171\pi\)
−0.163167 + 0.986599i \(0.552171\pi\)
\(30\) 0 0
\(31\) 1.00000 0.179605
\(32\) 0 0
\(33\) 2.82843 0.492366
\(34\) 0 0
\(35\) 3.41421 0.577107
\(36\) 0 0
\(37\) −7.07107 −1.16248 −0.581238 0.813733i \(-0.697432\pi\)
−0.581238 + 0.813733i \(0.697432\pi\)
\(38\) 0 0
\(39\) 2.58579 0.414057
\(40\) 0 0
\(41\) 0.828427 0.129379 0.0646893 0.997905i \(-0.479394\pi\)
0.0646893 + 0.997905i \(0.479394\pi\)
\(42\) 0 0
\(43\) 1.65685 0.252668 0.126334 0.991988i \(-0.459679\pi\)
0.126334 + 0.991988i \(0.459679\pi\)
\(44\) 0 0
\(45\) 1.00000 0.149071
\(46\) 0 0
\(47\) 0.343146 0.0500530 0.0250265 0.999687i \(-0.492033\pi\)
0.0250265 + 0.999687i \(0.492033\pi\)
\(48\) 0 0
\(49\) 4.65685 0.665265
\(50\) 0 0
\(51\) 2.82843 0.396059
\(52\) 0 0
\(53\) −10.8284 −1.48740 −0.743699 0.668514i \(-0.766931\pi\)
−0.743699 + 0.668514i \(0.766931\pi\)
\(54\) 0 0
\(55\) −2.82843 −0.381385
\(56\) 0 0
\(57\) 2.82843 0.374634
\(58\) 0 0
\(59\) −2.58579 −0.336641 −0.168320 0.985732i \(-0.553834\pi\)
−0.168320 + 0.985732i \(0.553834\pi\)
\(60\) 0 0
\(61\) 0.828427 0.106069 0.0530346 0.998593i \(-0.483111\pi\)
0.0530346 + 0.998593i \(0.483111\pi\)
\(62\) 0 0
\(63\) 3.41421 0.430150
\(64\) 0 0
\(65\) −2.58579 −0.320727
\(66\) 0 0
\(67\) −5.07107 −0.619530 −0.309765 0.950813i \(-0.600250\pi\)
−0.309765 + 0.950813i \(0.600250\pi\)
\(68\) 0 0
\(69\) −7.65685 −0.921777
\(70\) 0 0
\(71\) 2.58579 0.306876 0.153438 0.988158i \(-0.450965\pi\)
0.153438 + 0.988158i \(0.450965\pi\)
\(72\) 0 0
\(73\) −6.58579 −0.770808 −0.385404 0.922748i \(-0.625938\pi\)
−0.385404 + 0.922748i \(0.625938\pi\)
\(74\) 0 0
\(75\) −1.00000 −0.115470
\(76\) 0 0
\(77\) −9.65685 −1.10050
\(78\) 0 0
\(79\) −3.17157 −0.356830 −0.178415 0.983955i \(-0.557097\pi\)
−0.178415 + 0.983955i \(0.557097\pi\)
\(80\) 0 0
\(81\) 1.00000 0.111111
\(82\) 0 0
\(83\) 2.00000 0.219529 0.109764 0.993958i \(-0.464990\pi\)
0.109764 + 0.993958i \(0.464990\pi\)
\(84\) 0 0
\(85\) −2.82843 −0.306786
\(86\) 0 0
\(87\) 1.75736 0.188409
\(88\) 0 0
\(89\) 10.7279 1.13716 0.568579 0.822629i \(-0.307493\pi\)
0.568579 + 0.822629i \(0.307493\pi\)
\(90\) 0 0
\(91\) −8.82843 −0.925471
\(92\) 0 0
\(93\) −1.00000 −0.103695
\(94\) 0 0
\(95\) −2.82843 −0.290191
\(96\) 0 0
\(97\) −7.65685 −0.777436 −0.388718 0.921357i \(-0.627082\pi\)
−0.388718 + 0.921357i \(0.627082\pi\)
\(98\) 0 0
\(99\) −2.82843 −0.284268
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 7440.2.a.bh.1.2 2
4.3 odd 2 3720.2.a.j.1.1 2
    
        By twisted newform
Twist Min Dim Char Parity Ord Type
3720.2.a.j.1.1 2 4.3 odd 2
7440.2.a.bh.1.2 2 1.1 even 1 trivial