Properties

Label 7440.2.a.bi.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,-2,0,2,0,0,0,-2,0,-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: \(\Q(\zeta_{10})^+\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - x - 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2 \)
Twist minimal: no (minimal twist has level 3720)
Fricke sign: \(+1\)
Sato-Tate group: $\mathrm{SU}(2)$

Embedding invariants

Embedding label 1.2
Root \(-0.618034\) 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)
 
\(f(q)\) \(=\) \(q+1.00000 q^{3} -1.00000 q^{5} +1.23607 q^{7} +1.00000 q^{9} -3.23607 q^{13} -1.00000 q^{15} +4.47214 q^{17} -6.47214 q^{19} +1.23607 q^{21} +4.00000 q^{23} +1.00000 q^{25} +1.00000 q^{27} -7.23607 q^{29} +1.00000 q^{31} -1.23607 q^{35} +4.76393 q^{37} -3.23607 q^{39} -6.00000 q^{41} -6.47214 q^{43} -1.00000 q^{45} -8.94427 q^{47} -5.47214 q^{49} +4.47214 q^{51} +8.47214 q^{53} -6.47214 q^{57} -6.76393 q^{59} -12.4721 q^{61} +1.23607 q^{63} +3.23607 q^{65} -3.70820 q^{67} +4.00000 q^{69} +9.23607 q^{71} +12.1803 q^{73} +1.00000 q^{75} +8.94427 q^{79} +1.00000 q^{81} +4.94427 q^{83} -4.47214 q^{85} -7.23607 q^{87} -7.23607 q^{89} -4.00000 q^{91} +1.00000 q^{93} +6.47214 q^{95} -8.47214 q^{97} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + 2 q^{3} - 2 q^{5} - 2 q^{7} + 2 q^{9} - 2 q^{13} - 2 q^{15} - 4 q^{19} - 2 q^{21} + 8 q^{23} + 2 q^{25} + 2 q^{27} - 10 q^{29} + 2 q^{31} + 2 q^{35} + 14 q^{37} - 2 q^{39} - 12 q^{41} - 4 q^{43} - 2 q^{45}+ \cdots - 8 q^{97}+O(q^{100}) \) 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
\(7\) 1.23607 0.467190 0.233595 0.972334i \(-0.424951\pi\)
0.233595 + 0.972334i \(0.424951\pi\)
\(8\) 0 0
\(9\) 1.00000 0.333333
\(10\) 0 0
\(11\) 0 0 1.00000i \(-0.5\pi\)
1.00000i \(0.5\pi\)
\(12\) 0 0
\(13\) −3.23607 −0.897524 −0.448762 0.893651i \(-0.648135\pi\)
−0.448762 + 0.893651i \(0.648135\pi\)
\(14\) 0 0
\(15\) −1.00000 −0.258199
\(16\) 0 0
\(17\) 4.47214 1.08465 0.542326 0.840168i \(-0.317544\pi\)
0.542326 + 0.840168i \(0.317544\pi\)
\(18\) 0 0
\(19\) −6.47214 −1.48481 −0.742405 0.669951i \(-0.766315\pi\)
−0.742405 + 0.669951i \(0.766315\pi\)
\(20\) 0 0
\(21\) 1.23607 0.269732
\(22\) 0 0
\(23\) 4.00000 0.834058 0.417029 0.908893i \(-0.363071\pi\)
0.417029 + 0.908893i \(0.363071\pi\)
\(24\) 0 0
\(25\) 1.00000 0.200000
\(26\) 0 0
\(27\) 1.00000 0.192450
\(28\) 0 0
\(29\) −7.23607 −1.34370 −0.671852 0.740685i \(-0.734501\pi\)
−0.671852 + 0.740685i \(0.734501\pi\)
\(30\) 0 0
\(31\) 1.00000 0.179605
\(32\) 0 0
\(33\) 0 0
\(34\) 0 0
\(35\) −1.23607 −0.208934
\(36\) 0 0
\(37\) 4.76393 0.783186 0.391593 0.920139i \(-0.371924\pi\)
0.391593 + 0.920139i \(0.371924\pi\)
\(38\) 0 0
\(39\) −3.23607 −0.518186
\(40\) 0 0
\(41\) −6.00000 −0.937043 −0.468521 0.883452i \(-0.655213\pi\)
−0.468521 + 0.883452i \(0.655213\pi\)
\(42\) 0 0
\(43\) −6.47214 −0.986991 −0.493496 0.869748i \(-0.664281\pi\)
−0.493496 + 0.869748i \(0.664281\pi\)
\(44\) 0 0
\(45\) −1.00000 −0.149071
\(46\) 0 0
\(47\) −8.94427 −1.30466 −0.652328 0.757937i \(-0.726208\pi\)
−0.652328 + 0.757937i \(0.726208\pi\)
\(48\) 0 0
\(49\) −5.47214 −0.781734
\(50\) 0 0
\(51\) 4.47214 0.626224
\(52\) 0 0
\(53\) 8.47214 1.16374 0.581869 0.813283i \(-0.302322\pi\)
0.581869 + 0.813283i \(0.302322\pi\)
\(54\) 0 0
\(55\) 0 0
\(56\) 0 0
\(57\) −6.47214 −0.857255
\(58\) 0 0
\(59\) −6.76393 −0.880589 −0.440294 0.897853i \(-0.645126\pi\)
−0.440294 + 0.897853i \(0.645126\pi\)
\(60\) 0 0
\(61\) −12.4721 −1.59689 −0.798447 0.602066i \(-0.794345\pi\)
−0.798447 + 0.602066i \(0.794345\pi\)
\(62\) 0 0
\(63\) 1.23607 0.155730
\(64\) 0 0
\(65\) 3.23607 0.401385
\(66\) 0 0
\(67\) −3.70820 −0.453029 −0.226515 0.974008i \(-0.572733\pi\)
−0.226515 + 0.974008i \(0.572733\pi\)
\(68\) 0 0
\(69\) 4.00000 0.481543
\(70\) 0 0
\(71\) 9.23607 1.09612 0.548060 0.836439i \(-0.315367\pi\)
0.548060 + 0.836439i \(0.315367\pi\)
\(72\) 0 0
\(73\) 12.1803 1.42560 0.712800 0.701367i \(-0.247427\pi\)
0.712800 + 0.701367i \(0.247427\pi\)
\(74\) 0 0
\(75\) 1.00000 0.115470
\(76\) 0 0
\(77\) 0 0
\(78\) 0 0
\(79\) 8.94427 1.00631 0.503155 0.864196i \(-0.332173\pi\)
0.503155 + 0.864196i \(0.332173\pi\)
\(80\) 0 0
\(81\) 1.00000 0.111111
\(82\) 0 0
\(83\) 4.94427 0.542704 0.271352 0.962480i \(-0.412529\pi\)
0.271352 + 0.962480i \(0.412529\pi\)
\(84\) 0 0
\(85\) −4.47214 −0.485071
\(86\) 0 0
\(87\) −7.23607 −0.775788
\(88\) 0 0
\(89\) −7.23607 −0.767022 −0.383511 0.923536i \(-0.625285\pi\)
−0.383511 + 0.923536i \(0.625285\pi\)
\(90\) 0 0
\(91\) −4.00000 −0.419314
\(92\) 0 0
\(93\) 1.00000 0.103695
\(94\) 0 0
\(95\) 6.47214 0.664027
\(96\) 0 0
\(97\) −8.47214 −0.860215 −0.430108 0.902778i \(-0.641524\pi\)
−0.430108 + 0.902778i \(0.641524\pi\)
\(98\) 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 7440.2.a.bi.1.2 2
4.3 odd 2 3720.2.a.i.1.1 2
    
        By twisted newform
Twist Min Dim Char Parity Ord Type
3720.2.a.i.1.1 2 4.3 odd 2
7440.2.a.bi.1.2 2 1.1 even 1 trivial