Properties

Label 668.2.b.b
Level $668$
Weight $2$
Character orbit 668.b
Analytic conductor $5.334$
Analytic rank $0$
Dimension $60$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [668,2,Mod(667,668)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(668, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("668.667");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 668 = 2^{2} \cdot 167 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 668.b (of order \(2\), degree \(1\), 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: \(5.33400685502\)
Analytic rank: \(0\)
Dimension: \(60\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 60 q - 2 q^{2} + 2 q^{4} - 8 q^{6} - 8 q^{8} - 16 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 60 q - 2 q^{2} + 2 q^{4} - 8 q^{6} - 8 q^{8} - 16 q^{9} + 18 q^{12} + 10 q^{14} + 10 q^{16} - 20 q^{18} + 20 q^{22} + 10 q^{24} - 188 q^{25} + 4 q^{29} + 18 q^{32} + 8 q^{33} + 30 q^{36} - 36 q^{38} + 14 q^{42} + 28 q^{44} - 28 q^{48} + 72 q^{49} - 40 q^{50} - 74 q^{54} + 50 q^{56} + 8 q^{57} - 22 q^{58} + 36 q^{61} + 104 q^{62} + 8 q^{64} + 24 q^{65} + 24 q^{66} + 90 q^{72} - 36 q^{76} - 84 q^{81} - 110 q^{84} - 16 q^{85} - 20 q^{88} + 28 q^{89} + 72 q^{93} + 90 q^{94} + 2 q^{96} - 4 q^{97} - 114 q^{98}+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
667.1 −1.37801 0.317929i 2.42728i 1.79784 + 0.876221i 2.41022i 0.771702 3.34482i 1.33262i −2.19887 1.77903i −2.89167 −0.766278 + 3.32131i
667.2 −1.37801 0.317929i 2.42728i 1.79784 + 0.876221i 2.41022i 0.771702 3.34482i 1.33262i −2.19887 1.77903i −2.89167 0.766278 3.32131i
667.3 −1.37801 + 0.317929i 2.42728i 1.79784 0.876221i 2.41022i 0.771702 + 3.34482i 1.33262i −2.19887 + 1.77903i −2.89167 0.766278 + 3.32131i
667.4 −1.37801 + 0.317929i 2.42728i 1.79784 0.876221i 2.41022i 0.771702 + 3.34482i 1.33262i −2.19887 + 1.77903i −2.89167 −0.766278 3.32131i
667.5 −1.37670 0.323577i 0.453678i 1.79060 + 0.890936i 4.09468i −0.146800 + 0.624578i 3.11488i −2.17682 1.80595i 2.79418 −1.32494 + 5.63714i
667.6 −1.37670 0.323577i 0.453678i 1.79060 + 0.890936i 4.09468i −0.146800 + 0.624578i 3.11488i −2.17682 1.80595i 2.79418 1.32494 5.63714i
667.7 −1.37670 + 0.323577i 0.453678i 1.79060 0.890936i 4.09468i −0.146800 0.624578i 3.11488i −2.17682 + 1.80595i 2.79418 1.32494 + 5.63714i
667.8 −1.37670 + 0.323577i 0.453678i 1.79060 0.890936i 4.09468i −0.146800 0.624578i 3.11488i −2.17682 + 1.80595i 2.79418 −1.32494 5.63714i
667.9 −1.30799 0.537726i 2.06566i 1.42170 + 1.40669i 1.78350i −1.11076 + 2.70187i 0.540270i −1.10317 2.60442i −1.26695 −0.959034 + 2.33281i
667.10 −1.30799 0.537726i 2.06566i 1.42170 + 1.40669i 1.78350i −1.11076 + 2.70187i 0.540270i −1.10317 2.60442i −1.26695 0.959034 2.33281i
667.11 −1.30799 + 0.537726i 2.06566i 1.42170 1.40669i 1.78350i −1.11076 2.70187i 0.540270i −1.10317 + 2.60442i −1.26695 0.959034 + 2.33281i
667.12 −1.30799 + 0.537726i 2.06566i 1.42170 1.40669i 1.78350i −1.11076 2.70187i 0.540270i −1.10317 + 2.60442i −1.26695 −0.959034 2.33281i
667.13 −1.12623 0.855338i 0.530251i 0.536794 + 1.92662i 0.936151i 0.453544 0.597186i 2.10467i 1.04335 2.62896i 2.71883 −0.800726 + 1.05432i
667.14 −1.12623 0.855338i 0.530251i 0.536794 + 1.92662i 0.936151i 0.453544 0.597186i 2.10467i 1.04335 2.62896i 2.71883 0.800726 1.05432i
667.15 −1.12623 + 0.855338i 0.530251i 0.536794 1.92662i 0.936151i 0.453544 + 0.597186i 2.10467i 1.04335 + 2.62896i 2.71883 0.800726 + 1.05432i
667.16 −1.12623 + 0.855338i 0.530251i 0.536794 1.92662i 0.936151i 0.453544 + 0.597186i 2.10467i 1.04335 + 2.62896i 2.71883 −0.800726 1.05432i
667.17 −0.844041 1.13472i 0.873998i −0.575190 + 1.91550i 2.77771i 0.991745 0.737690i 1.63351i 2.65905 0.964083i 2.23613 −3.15193 + 2.34450i
667.18 −0.844041 1.13472i 0.873998i −0.575190 + 1.91550i 2.77771i 0.991745 0.737690i 1.63351i 2.65905 0.964083i 2.23613 3.15193 2.34450i
667.19 −0.844041 + 1.13472i 0.873998i −0.575190 1.91550i 2.77771i 0.991745 + 0.737690i 1.63351i 2.65905 + 0.964083i 2.23613 3.15193 + 2.34450i
667.20 −0.844041 + 1.13472i 0.873998i −0.575190 1.91550i 2.77771i 0.991745 + 0.737690i 1.63351i 2.65905 + 0.964083i 2.23613 −3.15193 2.34450i
See all 60 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 667.60
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 inner
167.b odd 2 1 inner
668.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 668.2.b.b 60
4.b odd 2 1 inner 668.2.b.b 60
167.b odd 2 1 inner 668.2.b.b 60
668.b even 2 1 inner 668.2.b.b 60
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
668.2.b.b 60 1.a even 1 1 trivial
668.2.b.b 60 4.b odd 2 1 inner
668.2.b.b 60 167.b odd 2 1 inner
668.2.b.b 60 668.b even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{30} + 49 T_{3}^{28} + 1058 T_{3}^{26} + 13271 T_{3}^{24} + 107334 T_{3}^{22} + 587566 T_{3}^{20} + \cdots + 256 \) acting on \(S_{2}^{\mathrm{new}}(668, [\chi])\). Copy content Toggle raw display