Properties

Label 930.2.bn.a
Level $930$
Weight $2$
Character orbit 930.bn
Analytic conductor $7.426$
Analytic rank $0$
Dimension $112$
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] = [930,2,Mod(19,930)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(930, base_ring=CyclotomicField(30))
 
chi = DirichletCharacter(H, H._module([0, 15, 4]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("930.19");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 930 = 2 \cdot 3 \cdot 5 \cdot 31 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 930.bn (of order \(30\), degree \(8\), 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: \(7.42608738798\)
Analytic rank: \(0\)
Dimension: \(112\)
Relative dimension: \(14\) over \(\Q(\zeta_{30})\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{30}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 112 q + 28 q^{4} - 2 q^{5} + 56 q^{6} - 14 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 112 q + 28 q^{4} - 2 q^{5} + 56 q^{6} - 14 q^{9} - 4 q^{10} + 18 q^{11} + 8 q^{14} + 8 q^{15} - 28 q^{16} + 16 q^{19} + 2 q^{20} + 28 q^{21} + 14 q^{24} + 14 q^{25} + 12 q^{26} + 16 q^{29} - 4 q^{30} + 10 q^{34} - 38 q^{35} - 56 q^{36} + 16 q^{39} - 6 q^{40} + 20 q^{41} + 2 q^{44} + 2 q^{45} - 2 q^{46} + 38 q^{49} + 8 q^{50} - 10 q^{51} - 28 q^{54} - 46 q^{55} + 12 q^{56} + 60 q^{59} - 8 q^{60} + 88 q^{61} + 28 q^{64} - 28 q^{65} + 6 q^{66} + 46 q^{69} + 26 q^{70} + 116 q^{71} - 34 q^{74} + 8 q^{75} + 24 q^{76} - 40 q^{79} - 12 q^{80} + 14 q^{81} - 8 q^{84} + 18 q^{85} - 38 q^{86} - 60 q^{89} + 4 q^{90} - 92 q^{91} + 132 q^{94} + 132 q^{95} - 14 q^{96} + 2 q^{99}+O(q^{100}) \) 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 −0.587785 + 0.809017i 0.406737 0.913545i −0.309017 0.951057i −2.15286 0.604297i 0.500000 + 0.866025i 2.63601 + 2.37347i 0.951057 + 0.309017i −0.669131 0.743145i 1.75431 1.38651i
19.2 −0.587785 + 0.809017i 0.406737 0.913545i −0.309017 0.951057i −1.44692 1.70482i 0.500000 + 0.866025i −3.41731 3.07696i 0.951057 + 0.309017i −0.669131 0.743145i 2.22971 0.168512i
19.3 −0.587785 + 0.809017i 0.406737 0.913545i −0.309017 0.951057i −0.509764 + 2.17719i 0.500000 + 0.866025i 0.159624 + 0.143726i 0.951057 + 0.309017i −0.669131 0.743145i −1.46175 1.69213i
19.4 −0.587785 + 0.809017i 0.406737 0.913545i −0.309017 0.951057i −0.181057 + 2.22873i 0.500000 + 0.866025i 3.89646 + 3.50839i 0.951057 + 0.309017i −0.669131 0.743145i −1.69665 1.45649i
19.5 −0.587785 + 0.809017i 0.406737 0.913545i −0.309017 0.951057i 0.230445 2.22416i 0.500000 + 0.866025i 0.872484 + 0.785588i 0.951057 + 0.309017i −0.669131 0.743145i 1.66393 + 1.49376i
19.6 −0.587785 + 0.809017i 0.406737 0.913545i −0.309017 0.951057i 1.47095 + 1.68413i 0.500000 + 0.866025i −2.07600 1.86924i 0.951057 + 0.309017i −0.669131 0.743145i −2.22710 + 0.200114i
19.7 −0.587785 + 0.809017i 0.406737 0.913545i −0.309017 0.951057i 2.21090 + 0.334560i 0.500000 + 0.866025i −0.274259 0.246944i 0.951057 + 0.309017i −0.669131 0.743145i −1.57020 + 1.59200i
19.8 0.587785 0.809017i −0.406737 + 0.913545i −0.309017 0.951057i −2.19398 0.431813i 0.500000 + 0.866025i 2.07600 + 1.86924i −0.951057 0.309017i −0.669131 0.743145i −1.63893 + 1.52115i
19.9 0.587785 0.809017i −0.406737 + 0.913545i −0.309017 0.951057i −1.83960 + 1.27116i 0.500000 + 0.866025i −3.89646 3.50839i −0.951057 0.309017i −0.669131 0.743145i −0.0529000 + 2.23544i
19.10 0.587785 0.809017i −0.406737 + 0.913545i −0.309017 0.951057i −1.63062 + 1.53006i 0.500000 + 0.866025i −0.159624 0.143726i −0.951057 0.309017i −0.669131 0.743145i 0.279393 + 2.21854i
19.11 0.587785 0.809017i −0.406737 + 0.913545i −0.309017 0.951057i −1.39519 1.74741i 0.500000 + 0.866025i 0.274259 + 0.246944i −0.951057 0.309017i −0.669131 0.743145i −2.23376 + 0.101626i
19.12 0.587785 0.809017i −0.406737 + 0.913545i −0.309017 0.951057i 1.59977 + 1.56229i 0.500000 + 0.866025i −2.63601 2.37347i −0.951057 0.309017i −0.669131 0.743145i 2.20424 0.375951i
19.13 0.587785 0.809017i −0.406737 + 0.913545i −0.309017 0.951057i 1.81096 1.31165i 0.500000 + 0.866025i −0.872484 0.785588i −0.951057 0.309017i −0.669131 0.743145i 0.00330584 2.23607i
19.14 0.587785 0.809017i −0.406737 + 0.913545i −0.309017 0.951057i 2.19988 + 0.400657i 0.500000 + 0.866025i 3.41731 + 3.07696i −0.951057 0.309017i −0.669131 0.743145i 1.61720 1.54424i
49.1 −0.587785 0.809017i 0.406737 + 0.913545i −0.309017 + 0.951057i −2.15286 + 0.604297i 0.500000 0.866025i 2.63601 2.37347i 0.951057 0.309017i −0.669131 + 0.743145i 1.75431 + 1.38651i
49.2 −0.587785 0.809017i 0.406737 + 0.913545i −0.309017 + 0.951057i −1.44692 + 1.70482i 0.500000 0.866025i −3.41731 + 3.07696i 0.951057 0.309017i −0.669131 + 0.743145i 2.22971 + 0.168512i
49.3 −0.587785 0.809017i 0.406737 + 0.913545i −0.309017 + 0.951057i −0.509764 2.17719i 0.500000 0.866025i 0.159624 0.143726i 0.951057 0.309017i −0.669131 + 0.743145i −1.46175 + 1.69213i
49.4 −0.587785 0.809017i 0.406737 + 0.913545i −0.309017 + 0.951057i −0.181057 2.22873i 0.500000 0.866025i 3.89646 3.50839i 0.951057 0.309017i −0.669131 + 0.743145i −1.69665 + 1.45649i
49.5 −0.587785 0.809017i 0.406737 + 0.913545i −0.309017 + 0.951057i 0.230445 + 2.22416i 0.500000 0.866025i 0.872484 0.785588i 0.951057 0.309017i −0.669131 + 0.743145i 1.66393 1.49376i
49.6 −0.587785 0.809017i 0.406737 + 0.913545i −0.309017 + 0.951057i 1.47095 1.68413i 0.500000 0.866025i −2.07600 + 1.86924i 0.951057 0.309017i −0.669131 + 0.743145i −2.22710 0.200114i
See next 80 embeddings (of 112 total)
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 19.14
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
5.b even 2 1 inner
31.g even 15 1 inner
155.u even 30 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 930.2.bn.a 112
5.b even 2 1 inner 930.2.bn.a 112
31.g even 15 1 inner 930.2.bn.a 112
155.u even 30 1 inner 930.2.bn.a 112
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
930.2.bn.a 112 1.a even 1 1 trivial
930.2.bn.a 112 5.b even 2 1 inner
930.2.bn.a 112 31.g even 15 1 inner
930.2.bn.a 112 155.u even 30 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{7}^{112} + 30 T_{7}^{110} + 915 T_{7}^{108} + 20732 T_{7}^{106} + 14405 T_{7}^{104} + \cdots + 81\!\cdots\!36 \) acting on \(S_{2}^{\mathrm{new}}(930, [\chi])\). Copy content Toggle raw display