Properties

Label 162.4.e.b
Level $162$
Weight $4$
Character orbit 162.e
Analytic conductor $9.558$
Analytic rank $0$
Dimension $30$
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] = [162,4,Mod(19,162)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(162, base_ring=CyclotomicField(18))
 
chi = DirichletCharacter(H, H._module([16]))
 
N = Newforms(chi, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("162.19");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 162 = 2 \cdot 3^{4} \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 162.e (of order \(9\), degree \(6\), not 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: \(9.55830942093\)
Analytic rank: \(0\)
Dimension: \(30\)
Relative dimension: \(5\) over \(\Q(\zeta_{9})\)
Twist minimal: no (minimal twist has level 54)
Sato-Tate group: $\mathrm{SU}(2)[C_{9}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 30 q + 12 q^{5} + 33 q^{7} - 120 q^{8}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 30 q + 12 q^{5} + 33 q^{7} - 120 q^{8} - 30 q^{10} + 39 q^{11} - 60 q^{13} + 66 q^{14} - 102 q^{17} - 171 q^{19} - 96 q^{20} + 78 q^{22} - 48 q^{23} - 432 q^{25} + 468 q^{26} + 336 q^{28} + 381 q^{29} - 801 q^{31} - 222 q^{34} - 624 q^{35} - 555 q^{37} - 606 q^{38} + 96 q^{40} - 1401 q^{41} + 648 q^{43} - 132 q^{44} - 348 q^{46} - 540 q^{47} + 15 q^{49} + 828 q^{50} - 240 q^{52} + 1794 q^{53} + 3906 q^{55} + 264 q^{56} - 444 q^{58} + 1500 q^{59} - 378 q^{61} - 744 q^{62} - 960 q^{64} - 3666 q^{65} + 3087 q^{67} + 24 q^{68} + 2118 q^{70} - 120 q^{71} - 2604 q^{73} + 1974 q^{74} - 1212 q^{76} + 6504 q^{77} - 2625 q^{79} + 480 q^{80} + 3408 q^{82} + 5211 q^{83} - 1395 q^{85} + 1296 q^{86} - 912 q^{88} - 2604 q^{89} - 3399 q^{91} - 372 q^{92} + 4500 q^{94} - 7545 q^{95} + 8940 q^{97} - 4002 q^{98}+O(q^{100}) \) Copy content Toggle raw display

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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
19.1 −1.87939 + 0.684040i 0 3.06418 2.57115i −3.05422 17.3214i 0 −19.9833 16.7680i −4.00000 + 6.92820i 0 17.5886 + 30.4643i
19.2 −1.87939 + 0.684040i 0 3.06418 2.57115i −2.39299 13.5713i 0 20.6081 + 17.2922i −4.00000 + 6.92820i 0 13.7807 + 23.8688i
19.3 −1.87939 + 0.684040i 0 3.06418 2.57115i −0.127307 0.721992i 0 1.18538 + 0.994655i −4.00000 + 6.92820i 0 0.733130 + 1.26982i
19.4 −1.87939 + 0.684040i 0 3.06418 2.57115i 2.36712 + 13.4246i 0 −10.7136 8.98975i −4.00000 + 6.92820i 0 −13.6317 23.6108i
19.5 −1.87939 + 0.684040i 0 3.06418 2.57115i 3.01146 + 17.0788i 0 16.7015 + 14.0142i −4.00000 + 6.92820i 0 −17.3423 30.0378i
37.1 1.53209 1.28558i 0 0.694593 3.93923i −13.2521 + 4.82337i 0 3.00195 + 17.0249i −4.00000 6.92820i 0 −14.1026 + 24.4264i
37.2 1.53209 1.28558i 0 0.694593 3.93923i −11.4993 + 4.18541i 0 3.15689 + 17.9036i −4.00000 6.92820i 0 −12.2373 + 21.1956i
37.3 1.53209 1.28558i 0 0.694593 3.93923i −3.40278 + 1.23851i 0 −3.51598 19.9401i −4.00000 6.92820i 0 −3.62116 + 6.27204i
37.4 1.53209 1.28558i 0 0.694593 3.93923i 7.46345 2.71647i 0 −2.66046 15.0882i −4.00000 6.92820i 0 7.94244 13.7567i
37.5 1.53209 1.28558i 0 0.694593 3.93923i 17.2977 6.29584i 0 6.03855 + 34.2463i −4.00000 6.92820i 0 18.4078 31.8832i
73.1 0.347296 1.96962i 0 −3.75877 1.36808i −7.73816 + 6.49309i 0 7.54967 2.74785i −4.00000 + 6.92820i 0 10.1015 + 17.4962i
73.2 0.347296 1.96962i 0 −3.75877 1.36808i −6.77242 + 5.68273i 0 30.7336 11.1861i −4.00000 + 6.92820i 0 8.84076 + 15.3127i
73.3 0.347296 1.96962i 0 −3.75877 1.36808i −0.657259 + 0.551505i 0 −20.5288 + 7.47187i −4.00000 + 6.92820i 0 0.857990 + 1.48608i
73.4 0.347296 1.96962i 0 −3.75877 1.36808i 9.84993 8.26508i 0 −26.8516 + 9.77320i −4.00000 + 6.92820i 0 −12.8582 22.2710i
73.5 0.347296 1.96962i 0 −3.75877 1.36808i 14.9069 12.5084i 0 11.7781 4.28689i −4.00000 + 6.92820i 0 −19.4596 33.7050i
91.1 0.347296 + 1.96962i 0 −3.75877 + 1.36808i −7.73816 6.49309i 0 7.54967 + 2.74785i −4.00000 6.92820i 0 10.1015 17.4962i
91.2 0.347296 + 1.96962i 0 −3.75877 + 1.36808i −6.77242 5.68273i 0 30.7336 + 11.1861i −4.00000 6.92820i 0 8.84076 15.3127i
91.3 0.347296 + 1.96962i 0 −3.75877 + 1.36808i −0.657259 0.551505i 0 −20.5288 7.47187i −4.00000 6.92820i 0 0.857990 1.48608i
91.4 0.347296 + 1.96962i 0 −3.75877 + 1.36808i 9.84993 + 8.26508i 0 −26.8516 9.77320i −4.00000 6.92820i 0 −12.8582 + 22.2710i
91.5 0.347296 + 1.96962i 0 −3.75877 + 1.36808i 14.9069 + 12.5084i 0 11.7781 + 4.28689i −4.00000 6.92820i 0 −19.4596 + 33.7050i
See all 30 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 19.5
Significant digits:
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Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
27.e even 9 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 162.4.e.b 30
3.b odd 2 1 54.4.e.b 30
27.e even 9 1 inner 162.4.e.b 30
27.e even 9 1 1458.4.a.j 15
27.f odd 18 1 54.4.e.b 30
27.f odd 18 1 1458.4.a.i 15
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
54.4.e.b 30 3.b odd 2 1
54.4.e.b 30 27.f odd 18 1
162.4.e.b 30 1.a even 1 1 trivial
162.4.e.b 30 27.e even 9 1 inner
1458.4.a.i 15 27.f odd 18 1
1458.4.a.j 15 27.e even 9 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{30} - 12 T_{5}^{29} + 288 T_{5}^{28} - 1077 T_{5}^{27} - 7965 T_{5}^{26} + 1743363 T_{5}^{25} + \cdots + 54\!\cdots\!96 \) acting on \(S_{4}^{\mathrm{new}}(162, [\chi])\). Copy content Toggle raw display