Properties

Label 930.2.bn.b
Level $930$
Weight $2$
Character orbit 930.bn
Analytic conductor $7.426$
Analytic rank $0$
Dimension $144$
CM no
Inner twists $4$

Related objects

Downloads

Learn more

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: \(144\)
Relative dimension: \(18\) 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.

\(\operatorname{Tr}(f)(q) = \) \( 144 q + 36 q^{4} + 2 q^{5} - 72 q^{6} - 18 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 144 q + 36 q^{4} + 2 q^{5} - 72 q^{6} - 18 q^{9} - 18 q^{11} - 8 q^{14} - 36 q^{16} - 24 q^{19} - 2 q^{20} + 28 q^{21} - 18 q^{24} + 10 q^{25} - 12 q^{26} - 4 q^{30} - 4 q^{31} + 10 q^{34} - 2 q^{35} - 72 q^{36} + 16 q^{39} + 4 q^{41} - 2 q^{44} - 2 q^{45} - 2 q^{46} - 78 q^{49} + 32 q^{50} + 10 q^{51} + 36 q^{54} - 50 q^{55} - 12 q^{56} + 28 q^{59} + 88 q^{61} + 36 q^{64} - 124 q^{65} + 6 q^{66} - 46 q^{69} - 10 q^{70} + 140 q^{71} + 34 q^{74} - 32 q^{75} + 24 q^{76} + 16 q^{79} + 12 q^{80} + 18 q^{81} - 8 q^{84} + 74 q^{85} - 98 q^{86} + 148 q^{89} + 44 q^{91} - 108 q^{94} - 80 q^{95} + 18 q^{96} - 2 q^{99}+O(q^{100}) \) 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 −1.89205 1.19170i −0.500000 0.866025i −1.93366 1.74107i 0.951057 + 0.309017i −0.669131 0.743145i 2.07622 0.830237i
19.2 −0.587785 + 0.809017i −0.406737 + 0.913545i −0.309017 0.951057i −1.39553 + 1.74714i −0.500000 0.866025i 1.99915 + 1.80004i 0.951057 + 0.309017i −0.669131 0.743145i −0.593198 2.15595i
19.3 −0.587785 + 0.809017i −0.406737 + 0.913545i −0.309017 0.951057i −1.16157 1.91070i −0.500000 0.866025i 2.15311 + 1.93867i 0.951057 + 0.309017i −0.669131 0.743145i 2.22854 + 0.183353i
19.4 −0.587785 + 0.809017i −0.406737 + 0.913545i −0.309017 0.951057i −0.978641 + 2.01054i −0.500000 0.866025i −2.38970 2.15169i 0.951057 + 0.309017i −0.669131 0.743145i −1.05133 1.97350i
19.5 −0.587785 + 0.809017i −0.406737 + 0.913545i −0.309017 0.951057i −0.293219 2.21676i −0.500000 0.866025i 1.44492 + 1.30102i 0.951057 + 0.309017i −0.669131 0.743145i 1.96575 + 1.06576i
19.6 −0.587785 + 0.809017i −0.406737 + 0.913545i −0.309017 0.951057i 0.991216 + 2.00437i −0.500000 0.866025i 0.807100 + 0.726716i 0.951057 + 0.309017i −0.669131 0.743145i −2.20419 0.376228i
19.7 −0.587785 + 0.809017i −0.406737 + 0.913545i −0.309017 0.951057i 1.47304 1.68231i −0.500000 0.866025i −2.98158 2.68462i 0.951057 + 0.309017i −0.669131 0.743145i 0.495182 + 2.18055i
19.8 −0.587785 + 0.809017i −0.406737 + 0.913545i −0.309017 0.951057i 2.02048 0.957953i −0.500000 0.866025i 1.95080 + 1.75650i 0.951057 + 0.309017i −0.669131 0.743145i −0.412606 + 2.19767i
19.9 −0.587785 + 0.809017i −0.406737 + 0.913545i −0.309017 0.951057i 2.14981 + 0.615060i −0.500000 0.866025i −2.84716 2.56360i 0.951057 + 0.309017i −0.669131 0.743145i −1.76122 + 1.37771i
19.10 0.587785 0.809017i 0.406737 0.913545i −0.309017 0.951057i −2.23144 + 0.143766i −0.500000 0.866025i −0.807100 0.726716i −0.951057 0.309017i −0.669131 0.743145i −1.19530 + 1.88978i
19.11 0.587785 0.809017i 0.406737 0.913545i −0.309017 0.951057i −1.60756 1.55426i −0.500000 0.866025i 2.84716 + 2.56360i −0.951057 0.309017i −0.669131 0.743145i −2.20233 + 0.386974i
19.12 0.587785 0.809017i 0.406737 0.913545i −0.309017 0.951057i −1.25186 + 1.85280i −0.500000 0.866025i 2.38970 + 2.15169i −0.951057 0.309017i −0.669131 0.743145i 0.763121 + 2.10182i
19.13 0.587785 0.809017i 0.406737 0.913545i −0.309017 0.951057i −0.815306 + 2.08213i −0.500000 0.866025i −1.99915 1.80004i −0.951057 0.309017i −0.669131 0.743145i 1.20526 + 1.88344i
19.14 0.587785 0.809017i 0.406737 0.913545i −0.309017 0.951057i −0.180627 2.22876i −0.500000 0.866025i −1.95080 1.75650i −0.951057 0.309017i −0.669131 0.743145i −1.90927 1.16390i
19.15 0.587785 0.809017i 0.406737 0.913545i −0.309017 0.951057i 0.720399 2.11684i −0.500000 0.866025i 2.98158 + 2.68462i −0.951057 0.309017i −0.669131 0.743145i −1.28912 1.82706i
19.16 0.587785 0.809017i 0.406737 0.913545i −0.309017 0.951057i 1.97807 + 1.04271i −0.500000 0.866025i 1.93366 + 1.74107i −0.951057 0.309017i −0.669131 0.743145i 2.00625 0.987398i
19.17 0.587785 0.809017i 0.406737 0.913545i −0.309017 0.951057i 2.06638 0.854445i −0.500000 0.866025i −1.44492 1.30102i −0.951057 0.309017i −0.669131 0.743145i 0.523327 2.17397i
19.18 0.587785 0.809017i 0.406737 0.913545i −0.309017 0.951057i 2.23550 + 0.0505968i −0.500000 0.866025i −2.15311 1.93867i −0.951057 0.309017i −0.669131 0.743145i 1.35492 1.77881i
49.1 −0.587785 0.809017i −0.406737 0.913545i −0.309017 + 0.951057i −1.89205 + 1.19170i −0.500000 + 0.866025i −1.93366 + 1.74107i 0.951057 0.309017i −0.669131 + 0.743145i 2.07622 + 0.830237i
49.2 −0.587785 0.809017i −0.406737 0.913545i −0.309017 + 0.951057i −1.39553 1.74714i −0.500000 + 0.866025i 1.99915 1.80004i 0.951057 0.309017i −0.669131 + 0.743145i −0.593198 + 2.15595i
See next 80 embeddings (of 144 total)
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 19.18
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.b 144
5.b even 2 1 inner 930.2.bn.b 144
31.g even 15 1 inner 930.2.bn.b 144
155.u even 30 1 inner 930.2.bn.b 144
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
930.2.bn.b 144 1.a even 1 1 trivial
930.2.bn.b 144 5.b even 2 1 inner
930.2.bn.b 144 31.g even 15 1 inner
930.2.bn.b 144 155.u even 30 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{7}^{144} + 102 T_{7}^{142} + 4183 T_{7}^{140} + 53720 T_{7}^{138} - 1977413 T_{7}^{136} + \cdots + 11\!\cdots\!56 \) acting on \(S_{2}^{\mathrm{new}}(930, [\chi])\). Copy content Toggle raw display