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Properties

Label 441.2.y.a
Level $441$
Weight $2$
Character orbit 441.y
Analytic conductor $3.521$
Analytic rank $0$
Dimension $648$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [441,2,Mod(25,441)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(441, base_ring=CyclotomicField(42))
 
chi = DirichletCharacter(H, H._module([28, 16]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("441.25");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 441 = 3^{2} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 441.y (of order \(21\), degree \(12\), minimal)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(3.52140272914\)
Analytic rank: \(0\)
Dimension: \(648\)
Relative dimension: \(54\) over \(\Q(\zeta_{21})\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{21}]$

$q$-expansion

The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, but we have computed the trace expansion.

\(\operatorname{Tr}(f)(q) = \) \( 648 q - 5 q^{2} - 13 q^{3} - 109 q^{4} - 12 q^{5} + 2 q^{6} - 7 q^{7} - 16 q^{8} - 3 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 648 q - 5 q^{2} - 13 q^{3} - 109 q^{4} - 12 q^{5} + 2 q^{6} - 7 q^{7} - 16 q^{8} - 3 q^{9} - 22 q^{10} - 8 q^{11} - 64 q^{12} - 4 q^{13} - 26 q^{14} - 4 q^{15} - 97 q^{16} - 37 q^{17} - q^{18} - 14 q^{19} - 11 q^{20} - 33 q^{21} - q^{22} + 31 q^{23} - 20 q^{24} + 38 q^{25} - 44 q^{26} - 49 q^{27} - 22 q^{28} + 73 q^{29} - 12 q^{30} - 20 q^{31} - q^{32} - 43 q^{33} - 7 q^{34} - 32 q^{35} + 20 q^{36} - 39 q^{37} - 40 q^{38} + q^{39} - q^{40} - 17 q^{41} + 82 q^{42} - q^{43} - 31 q^{44} - 177 q^{45} + 56 q^{46} + 5 q^{47} - 23 q^{48} - q^{49} - 21 q^{50} - 18 q^{51} - 48 q^{52} + 50 q^{53} - 15 q^{54} + 20 q^{55} + 127 q^{56} + 33 q^{57} - 82 q^{58} + 53 q^{59} + 43 q^{60} + 42 q^{61} - 30 q^{62} + 57 q^{63} - 88 q^{64} - 11 q^{65} - 90 q^{66} - 26 q^{67} + 145 q^{68} + 64 q^{69} - 46 q^{70} - 19 q^{71} - 46 q^{72} - 40 q^{73} + 18 q^{74} - 114 q^{75} + 43 q^{76} + 7 q^{77} - 129 q^{78} - 26 q^{79} + 163 q^{80} + 85 q^{81} - 28 q^{82} - 221 q^{83} - 113 q^{84} - 10 q^{85} - 18 q^{86} + 37 q^{87} - 4 q^{88} - 104 q^{89} - 60 q^{90} - 49 q^{91} + 119 q^{92} - 149 q^{93} - 13 q^{94} + 37 q^{95} + 186 q^{96} - 11 q^{97} - 33 q^{98} + 62 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Display 100 coefficients 10 coefficients

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
25.1 −0.620557 + 2.71884i −1.73004 + 0.0835206i −5.20506 − 2.50662i −0.446610 − 1.13794i 0.846508 − 4.75552i 2.43233 + 1.04104i 6.56762 − 8.23553i 2.98605 − 0.288987i 3.37104 − 0.508102i
25.2 −0.603411 + 2.64372i 0.233708 + 1.71621i −4.82320 − 2.32273i −0.317680 − 0.809436i −4.67820 − 0.417724i −2.63556 − 0.231947i 5.66957 − 7.10941i −2.89076 + 0.802183i 2.33161 − 0.351434i
25.3 −0.596104 + 2.61170i 0.768590 − 1.55218i −4.66370 − 2.24592i 1.23942 + 3.15800i 3.59567 + 2.93259i 1.25551 + 2.32888i 5.30523 − 6.65255i −1.81854 − 2.38598i −8.98657 + 1.35451i
25.4 −0.533217 + 2.33617i 1.50562 + 0.856211i −3.37146 − 1.62361i 0.810456 + 2.06501i −2.80308 + 3.06086i 1.78727 − 1.95082i 2.60267 − 3.26364i 1.53381 + 2.57826i −5.25637 + 0.792271i
25.5 −0.524991 + 2.30014i −1.18605 − 1.26225i −3.21307 − 1.54733i 1.00605 + 2.56336i 3.52602 − 2.06541i −1.26982 − 2.32111i 2.30393 − 2.88904i −0.186564 + 2.99419i −6.42425 + 0.968300i
25.6 −0.524692 + 2.29882i 1.63349 + 0.575929i −3.20735 − 1.54458i −1.57024 − 4.00089i −2.18104 + 3.45293i 2.51000 + 0.836609i 2.29328 − 2.87568i 2.33661 + 1.88155i 10.0212 − 1.51046i
25.7 −0.523139 + 2.29202i 1.32112 − 1.12011i −3.17776 − 1.53033i −0.871294 − 2.22002i 1.87618 + 3.61401i −2.54574 + 0.720548i 2.23835 − 2.80680i 0.490715 − 2.95959i 5.54415 − 0.835646i
25.8 −0.502908 + 2.20339i −0.976404 − 1.43061i −2.80006 − 1.34844i −0.712094 − 1.81439i 3.64322 − 1.43193i −2.27396 + 1.35244i 1.56106 − 1.95751i −1.09327 + 2.79370i 4.35591 − 0.656548i
25.9 −0.474737 + 2.07996i −1.49636 + 0.872292i −2.29891 − 1.10710i −0.320939 − 0.817739i −1.10395 − 3.52648i −0.354961 − 2.62183i 0.733726 − 0.920064i 1.47821 − 2.61053i 1.85322 − 0.279328i
25.10 −0.464927 + 2.03698i 0.999043 − 1.41489i −2.13119 − 1.02633i −0.231038 − 0.588676i 2.41762 + 2.69285i 1.57123 − 2.12867i 0.476059 − 0.596959i −1.00382 − 2.82707i 1.30654 − 0.196929i
25.11 −0.436037 + 1.91040i 0.660299 + 1.60125i −1.65757 − 0.798243i 0.532974 + 1.35800i −3.34695 + 0.563231i 0.00125911 + 2.64575i −0.195769 + 0.245486i −2.12801 + 2.11461i −2.82672 + 0.426059i
25.12 −0.416291 + 1.82389i −0.611111 + 1.62066i −1.35134 − 0.650771i −0.0698517 − 0.177979i −2.70151 − 1.78927i 2.35192 + 1.21181i −0.583357 + 0.731506i −2.25309 − 1.98081i 0.353693 − 0.0533107i
25.13 −0.395139 + 1.73122i 1.72082 + 0.196905i −1.03904 − 0.500374i 1.06496 + 2.71348i −1.02085 + 2.90131i −2.62846 + 0.301952i −0.937490 + 1.17557i 2.92246 + 0.677677i −5.11842 + 0.771478i
25.14 −0.322970 + 1.41503i −1.49665 − 0.871802i −0.0960492 − 0.0462548i −1.42246 − 3.62437i 1.71700 − 1.83623i 1.71510 − 2.01455i −1.71341 + 2.14855i 1.47992 + 2.60956i 5.58799 − 0.842254i
25.15 −0.316624 + 1.38722i −1.35055 + 1.08445i −0.0221929 − 0.0106875i −1.32101 − 3.36589i −1.07675 − 2.21687i −1.86586 + 1.87578i −1.75247 + 2.19753i 0.647946 − 2.92919i 5.08750 − 0.766817i
25.16 −0.302994 + 1.32750i −1.73138 − 0.0482649i 0.131481 + 0.0633181i 1.28284 + 3.26863i 0.588668 − 2.28378i 2.63656 + 0.220319i −1.82183 + 2.28450i 2.99534 + 0.167130i −4.72781 + 0.712603i
25.17 −0.279438 + 1.22430i −0.359714 − 1.69429i 0.381117 + 0.183536i 0.462772 + 1.17912i 2.17483 + 0.0330508i 2.42137 − 1.06628i −1.89714 + 2.37894i −2.74121 + 1.21892i −1.57292 + 0.237079i
25.18 −0.263181 + 1.15307i 1.58469 − 0.699101i 0.541631 + 0.260836i −0.0198537 − 0.0505863i 0.389051 + 2.01125i 1.10457 + 2.40415i −1.91814 + 2.40527i 2.02252 − 2.21572i 0.0635547 − 0.00957933i
25.19 −0.234242 + 1.02628i −0.449041 + 1.67283i 0.803556 + 0.386972i 0.973235 + 2.47976i −1.61161 − 0.852689i −1.43872 − 2.22038i −1.89803 + 2.38005i −2.59672 − 1.50234i −2.77290 + 0.417948i
25.20 −0.222631 + 0.975409i −0.211834 − 1.71905i 0.900079 + 0.433455i 0.692294 + 1.76394i 1.72394 + 0.176088i −0.942297 + 2.47226i −1.87078 + 2.34588i −2.91025 + 0.728307i −1.87469 + 0.282563i
See next 80 embeddings (of 648 total)
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 25.54
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
441.y even 21 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 441.2.y.a ✓ 648
9.c even 3 1 441.2.z.a yes 648
49.g even 21 1 441.2.z.a yes 648
441.y even 21 1 inner 441.2.y.a ✓ 648
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
441.2.y.a ✓ 648 1.a even 1 1 trivial
441.2.y.a ✓ 648 441.y even 21 1 inner
441.2.z.a yes 648 9.c even 3 1
441.2.z.a yes 648 49.g even 21 1

Hecke kernels

This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(441, [\chi])\).