Properties

Label 349.2.b.b
Level $349$
Weight $2$
Character orbit 349.b
Analytic conductor $2.787$
Analytic rank $0$
Dimension $26$
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] = [349,2,Mod(348,349)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(349, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("349.348");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 349 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 349.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: \(2.78677903054\)
Analytic rank: \(0\)
Dimension: \(26\)
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.

\(\operatorname{Tr}(f)(q) = \) \( 26 q - 2 q^{3} - 36 q^{4} - 12 q^{5} + 32 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 26 q - 2 q^{3} - 36 q^{4} - 12 q^{5} + 32 q^{9} + 12 q^{12} + 4 q^{14} + 12 q^{15} + 20 q^{16} - 14 q^{17} - 4 q^{19} - 2 q^{20} - 12 q^{22} - 18 q^{23} + 18 q^{25} + 22 q^{26} + 4 q^{27} - 18 q^{29} + 10 q^{31} - 54 q^{36} + 30 q^{37} - 16 q^{41} - 44 q^{45} - 74 q^{48} - 22 q^{49} + 32 q^{51} - 38 q^{56} - 16 q^{57} - 78 q^{60} - 96 q^{64} + 104 q^{66} + 72 q^{67} + 36 q^{68} - 40 q^{69} + 86 q^{70} + 72 q^{73} - 38 q^{75} + 96 q^{76} - 28 q^{77} - 30 q^{78} + 30 q^{80} - 6 q^{81} - 8 q^{83} - 22 q^{85} + 60 q^{86} + 32 q^{87} + 110 q^{88} - 12 q^{91} + 14 q^{92} + 84 q^{93} + 22 q^{94} - 10 q^{95}+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
348.1 2.74676i −1.22099 −5.54469 1.97385 3.35376i 4.26150i 9.73641i −1.50918 5.42170i
348.2 2.61918i −2.83744 −4.86011 −3.82575 7.43177i 2.86678i 7.49115i 5.05107 10.0203i
348.3 2.51815i 2.41625 −4.34106 2.06598 6.08448i 1.34000i 5.89514i 2.83827 5.20243i
348.4 2.26080i 0.674297 −3.11122 −0.0827003 1.52445i 1.39223i 2.51226i −2.54532 0.186969i
348.5 2.07129i −0.0823577 −2.29025 −3.08948 0.170587i 3.12974i 0.601197i −2.99322 6.39921i
348.6 1.88002i −2.43904 −1.53447 2.91531 4.58543i 0.518323i 0.875209i 2.94890 5.48083i
348.7 1.82942i 3.30797 −1.34678 −0.842567 6.05168i 2.41293i 1.19501i 7.94269 1.54141i
348.8 1.36584i 2.13942 0.134484 −3.98594 2.92210i 4.87861i 2.91536i 1.57710 5.44415i
348.9 1.25654i 0.849271 0.421101 3.08880 1.06714i 1.10667i 3.04222i −2.27874 3.88121i
348.10 1.19339i −2.66615 0.575830 −1.00436 3.18175i 3.16046i 3.07396i 4.10838 1.19859i
348.11 0.980996i −2.39151 1.03765 −1.59459 2.34607i 3.49225i 2.97992i 2.71933 1.56429i
348.12 0.788732i −0.670838 1.37790 −1.84585 0.529112i 0.0300147i 2.66426i −2.54998 1.45588i
348.13 0.719982i 1.92112 1.48163 0.227297 1.38317i 2.96485i 2.50671i 0.690697 0.163649i
348.14 0.719982i 1.92112 1.48163 0.227297 1.38317i 2.96485i 2.50671i 0.690697 0.163649i
348.15 0.788732i −0.670838 1.37790 −1.84585 0.529112i 0.0300147i 2.66426i −2.54998 1.45588i
348.16 0.980996i −2.39151 1.03765 −1.59459 2.34607i 3.49225i 2.97992i 2.71933 1.56429i
348.17 1.19339i −2.66615 0.575830 −1.00436 3.18175i 3.16046i 3.07396i 4.10838 1.19859i
348.18 1.25654i 0.849271 0.421101 3.08880 1.06714i 1.10667i 3.04222i −2.27874 3.88121i
348.19 1.36584i 2.13942 0.134484 −3.98594 2.92210i 4.87861i 2.91536i 1.57710 5.44415i
348.20 1.82942i 3.30797 −1.34678 −0.842567 6.05168i 2.41293i 1.19501i 7.94269 1.54141i
See all 26 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 348.26
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
349.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 349.2.b.b 26
349.b even 2 1 inner 349.2.b.b 26
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
349.2.b.b 26 1.a even 1 1 trivial
349.2.b.b 26 349.b even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{26} + 44 T_{2}^{24} + 857 T_{2}^{22} + 9752 T_{2}^{20} + 72085 T_{2}^{18} + 364188 T_{2}^{16} + \cdots + 110827 \) acting on \(S_{2}^{\mathrm{new}}(349, [\chi])\). Copy content Toggle raw display