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Properties

Label 252.8.a.c.1.1
Level $252$
Weight $8$
Character 252.1
Self dual yes
Analytic conductor $78.721$
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] = [252,8,Mod(1,252)] 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("252.1"); S:= CuspForms(chi, 8); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(252, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0])) N = Newforms(chi, 8, names="a")
 
Level: \( N \) \(=\) \( 252 = 2^{2} \cdot 3^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 8 \)
Character orbit: \([\chi]\) \(=\) 252.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [2,0,0,0,-264,0,686] 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: \(78.7210264220\)
Analytic rank: \(1\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{3649}) \)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - x - 912 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 2^{2}\cdot 3 \)
Twist minimal: no (minimal twist has level 84)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

Embedding invariants

Embedding label 1.1
Root \(30.7035\) of defining polynomial
Character \(\chi\) \(=\) 252.1

$q$-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)
 
\(f(q)\) \(=\) \(q-494.442 q^{5} +343.000 q^{7} -47.0920 q^{11} +3624.60 q^{13} +14642.7 q^{17} -3395.95 q^{19} +17982.5 q^{23} +166348. q^{25} -139916. q^{29} +228888. q^{31} -169594. q^{35} +438263. q^{37} -312110. q^{41} -556478. q^{43} +794234. q^{47} +117649. q^{49} -2.04720e6 q^{53} +23284.3 q^{55} -2.56746e6 q^{59} -2.46108e6 q^{61} -1.79215e6 q^{65} +2.15480e6 q^{67} +2.38723e6 q^{71} -1.97256e6 q^{73} -16152.6 q^{77} +117694. q^{79} +509356. q^{83} -7.23997e6 q^{85} +4.16031e6 q^{89} +1.24324e6 q^{91} +1.67910e6 q^{95} +8.40834e6 q^{97} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - 264 q^{5} + 686 q^{7} + 4980 q^{11} - 10148 q^{13} - 17832 q^{17} + 6256 q^{19} - 14052 q^{23} + 141326 q^{25} - 243588 q^{29} + 470824 q^{31} - 90552 q^{35} + 311116 q^{37} - 919248 q^{41} - 112616 q^{43}+ \cdots - 2220212 q^{97}+O(q^{100}) \) 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
\(3\) 0 0
\(4\) 0 0
\(5\) −494.442 −1.76897 −0.884484 − 0.466570i \(-0.845490\pi\)
−0.884484 + 0.466570i \(0.845490\pi\)
\(6\) 0 0
\(7\) 343.000 0.377964
\(8\) 0 0
\(9\) 0 0
\(10\) 0 0
\(11\) −47.0920 −0.0106678 −0.00533388 − 0.999986i \(-0.501698\pi\)
−0.00533388 + 0.999986i \(0.501698\pi\)
\(12\) 0 0
\(13\) 3624.60 0.457571 0.228786 − 0.973477i \(-0.426525\pi\)
0.228786 + 0.973477i \(0.426525\pi\)
\(14\) 0 0
\(15\) 0 0
\(16\) 0 0
\(17\) 14642.7 0.722854 0.361427 − 0.932401i \(-0.382290\pi\)
0.361427 + 0.932401i \(0.382290\pi\)
\(18\) 0 0
\(19\) −3395.95 −0.113586 −0.0567929 − 0.998386i \(-0.518087\pi\)
−0.0567929 + 0.998386i \(0.518087\pi\)
\(20\) 0 0
\(21\) 0 0
\(22\) 0 0
\(23\) 17982.5 0.308178 0.154089 − 0.988057i \(-0.450756\pi\)
0.154089 + 0.988057i \(0.450756\pi\)
\(24\) 0 0
\(25\) 166348. 2.12925
\(26\) 0 0
\(27\) 0 0
\(28\) 0 0
\(29\) −139916. −1.06531 −0.532653 − 0.846334i \(-0.678805\pi\)
−0.532653 + 0.846334i \(0.678805\pi\)
\(30\) 0 0
\(31\) 228888. 1.37993 0.689965 − 0.723843i \(-0.257626\pi\)
0.689965 + 0.723843i \(0.257626\pi\)
\(32\) 0 0
\(33\) 0 0
\(34\) 0 0
\(35\) −169594. −0.668607
\(36\) 0 0
\(37\) 438263. 1.42242 0.711211 − 0.702979i \(-0.248147\pi\)
0.711211 + 0.702979i \(0.248147\pi\)
\(38\) 0 0
\(39\) 0 0
\(40\) 0 0
\(41\) −312110. −0.707236 −0.353618 − 0.935390i \(-0.615049\pi\)
−0.353618 + 0.935390i \(0.615049\pi\)
\(42\) 0 0
\(43\) −556478. −1.06735 −0.533676 − 0.845689i \(-0.679190\pi\)
−0.533676 + 0.845689i \(0.679190\pi\)
\(44\) 0 0
\(45\) 0 0
\(46\) 0 0
\(47\) 794234. 1.11585 0.557925 − 0.829891i \(-0.311598\pi\)
0.557925 + 0.829891i \(0.311598\pi\)
\(48\) 0 0
\(49\) 117649. 0.142857
\(50\) 0 0
\(51\) 0 0
\(52\) 0 0
\(53\) −2.04720e6 −1.88884 −0.944421 − 0.328739i \(-0.893376\pi\)
−0.944421 + 0.328739i \(0.893376\pi\)
\(54\) 0 0
\(55\) 23284.3 0.0188709
\(56\) 0 0
\(57\) 0 0
\(58\) 0 0
\(59\) −2.56746e6 −1.62750 −0.813750 − 0.581215i \(-0.802578\pi\)
−0.813750 + 0.581215i \(0.802578\pi\)
\(60\) 0 0
\(61\) −2.46108e6 −1.38826 −0.694130 − 0.719850i \(-0.744211\pi\)
−0.694130 + 0.719850i \(0.744211\pi\)
\(62\) 0 0
\(63\) 0 0
\(64\) 0 0
\(65\) −1.79215e6 −0.809429
\(66\) 0 0
\(67\) 2.15480e6 0.875277 0.437638 − 0.899151i \(-0.355815\pi\)
0.437638 + 0.899151i \(0.355815\pi\)
\(68\) 0 0
\(69\) 0 0
\(70\) 0 0
\(71\) 2.38723e6 0.791570 0.395785 − 0.918343i \(-0.370472\pi\)
0.395785 + 0.918343i \(0.370472\pi\)
\(72\) 0 0
\(73\) −1.97256e6 −0.593473 −0.296736 − 0.954959i \(-0.595898\pi\)
−0.296736 + 0.954959i \(0.595898\pi\)
\(74\) 0 0
\(75\) 0 0
\(76\) 0 0
\(77\) −16152.6 −0.00403203
\(78\) 0 0
\(79\) 117694. 0.0268572 0.0134286 − 0.999910i \(-0.495725\pi\)
0.0134286 + 0.999910i \(0.495725\pi\)
\(80\) 0 0
\(81\) 0 0
\(82\) 0 0
\(83\) 509356. 0.0977796 0.0488898 − 0.998804i \(-0.484432\pi\)
0.0488898 + 0.998804i \(0.484432\pi\)
\(84\) 0 0
\(85\) −7.23997e6 −1.27871
\(86\) 0 0
\(87\) 0 0
\(88\) 0 0
\(89\) 4.16031e6 0.625548 0.312774 − 0.949828i \(-0.398742\pi\)
0.312774 + 0.949828i \(0.398742\pi\)
\(90\) 0 0
\(91\) 1.24324e6 0.172946
\(92\) 0 0
\(93\) 0 0
\(94\) 0 0
\(95\) 1.67910e6 0.200930
\(96\) 0 0
\(97\) 8.40834e6 0.935425 0.467713 − 0.883881i \(-0.345078\pi\)
0.467713 + 0.883881i \(0.345078\pi\)
\(98\) 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 252.8.a.c.1.1 2
3.2 odd 2 84.8.a.c.1.2 ✓ 2
12.11 even 2 336.8.a.q.1.2 2
21.2 odd 6 588.8.i.k.361.1 4
21.5 even 6 588.8.i.j.361.2 4
21.11 odd 6 588.8.i.k.373.1 4
21.17 even 6 588.8.i.j.373.2 4
21.20 even 2 588.8.a.f.1.1 2
    
        By twisted newform
Twist Min Dim Char Parity Ord Type
84.8.a.c.1.2 ✓ 2 3.2 odd 2
252.8.a.c.1.1 2 1.1 even 1 trivial
336.8.a.q.1.2 2 12.11 even 2
588.8.a.f.1.1 2 21.20 even 2
588.8.i.j.361.2 4 21.5 even 6
588.8.i.j.373.2 4 21.17 even 6
588.8.i.k.361.1 4 21.2 odd 6
588.8.i.k.373.1 4 21.11 odd 6