Properties

Label 930.2.bj.b
Level $930$
Weight $2$
Character orbit 930.bj
Analytic conductor $7.426$
Analytic rank $0$
Dimension $128$
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] = [930,2,Mod(277,930)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(930, base_ring=CyclotomicField(20))
 
chi = DirichletCharacter(H, H._module([0, 5, 6]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("930.277");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 930 = 2 \cdot 3 \cdot 5 \cdot 31 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 930.bj (of order \(20\), 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: \(128\)
Relative dimension: \(16\) over \(\Q(\zeta_{20})\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{20}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 128 q + 4 q^{7}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 128 q + 4 q^{7} - 4 q^{10} - 4 q^{15} + 32 q^{16} + 12 q^{17} + 40 q^{19} + 40 q^{21} + 4 q^{22} + 32 q^{24} - 8 q^{25} - 4 q^{28} - 8 q^{29} + 20 q^{31} + 4 q^{33} + 24 q^{35} - 128 q^{36} - 64 q^{37} - 16 q^{38} - 24 q^{41} + 16 q^{42} - 24 q^{43} + 8 q^{44} + 20 q^{46} - 12 q^{47} + 100 q^{49} - 24 q^{50} + 64 q^{53} + 32 q^{54} + 68 q^{55} - 16 q^{57} + 40 q^{58} + 8 q^{62} - 4 q^{63} + 84 q^{65} - 12 q^{66} - 32 q^{67} - 8 q^{68} + 88 q^{70} + 24 q^{71} + 20 q^{73} + 16 q^{74} - 24 q^{75} - 24 q^{76} + 60 q^{77} + 56 q^{79} + 32 q^{81} - 16 q^{82} + 8 q^{83} - 68 q^{85} - 20 q^{87} + 4 q^{88} - 136 q^{89} - 40 q^{91} + 48 q^{93} - 92 q^{95} + 64 q^{97} - 16 q^{98} + 8 q^{99}+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
277.1 −0.156434 0.987688i −0.987688 0.156434i −0.951057 + 0.309017i −1.90277 + 1.17451i 1.00000i 1.72531 3.38612i 0.453990 + 0.891007i 0.951057 + 0.309017i 1.45771 + 1.69561i
277.2 −0.156434 0.987688i −0.987688 0.156434i −0.951057 + 0.309017i −1.82843 + 1.28719i 1.00000i −2.04975 + 4.02286i 0.453990 + 0.891007i 0.951057 + 0.309017i 1.55737 + 1.60455i
277.3 −0.156434 0.987688i −0.987688 0.156434i −0.951057 + 0.309017i −1.74178 1.40221i 1.00000i −0.335285 + 0.658034i 0.453990 + 0.891007i 0.951057 + 0.309017i −1.11247 + 1.93969i
277.4 −0.156434 0.987688i −0.987688 0.156434i −0.951057 + 0.309017i −1.67223 1.48447i 1.00000i 1.10706 2.17272i 0.453990 + 0.891007i 0.951057 + 0.309017i −1.20460 + 1.88386i
277.5 −0.156434 0.987688i −0.987688 0.156434i −0.951057 + 0.309017i 0.244623 + 2.22265i 1.00000i 0.795365 1.56099i 0.453990 + 0.891007i 0.951057 + 0.309017i 2.15702 0.589310i
277.6 −0.156434 0.987688i −0.987688 0.156434i −0.951057 + 0.309017i 1.48798 1.66911i 1.00000i −0.506200 + 0.993473i 0.453990 + 0.891007i 0.951057 + 0.309017i −1.88133 1.20856i
277.7 −0.156434 0.987688i −0.987688 0.156434i −0.951057 + 0.309017i 1.61098 1.55073i 1.00000i −1.36477 + 2.67852i 0.453990 + 0.891007i 0.951057 + 0.309017i −1.78365 1.34855i
277.8 −0.156434 0.987688i −0.987688 0.156434i −0.951057 + 0.309017i 2.17207 + 0.531157i 1.00000i 0.369895 0.725959i 0.453990 + 0.891007i 0.951057 + 0.309017i 0.184831 2.22842i
277.9 0.156434 + 0.987688i 0.987688 + 0.156434i −0.951057 + 0.309017i −2.23524 0.0607951i 1.00000i 0.773249 1.51759i −0.453990 0.891007i 0.951057 + 0.309017i −0.289622 2.21723i
277.10 0.156434 + 0.987688i 0.987688 + 0.156434i −0.951057 + 0.309017i −2.20784 + 0.354206i 1.00000i 0.622042 1.22083i −0.453990 0.891007i 0.951057 + 0.309017i −0.695226 2.12524i
277.11 0.156434 + 0.987688i 0.987688 + 0.156434i −0.951057 + 0.309017i −1.01777 1.99102i 1.00000i −0.681739 + 1.33799i −0.453990 0.891007i 0.951057 + 0.309017i 1.80729 1.31670i
277.12 0.156434 + 0.987688i 0.987688 + 0.156434i −0.951057 + 0.309017i −0.869928 + 2.05991i 1.00000i −2.25496 + 4.42561i −0.453990 0.891007i 0.951057 + 0.309017i −2.17063 0.536977i
277.13 0.156434 + 0.987688i 0.987688 + 0.156434i −0.951057 + 0.309017i 0.145083 + 2.23136i 1.00000i 0.996252 1.95526i −0.453990 0.891007i 0.951057 + 0.309017i −2.18119 + 0.492358i
277.14 0.156434 + 0.987688i 0.987688 + 0.156434i −0.951057 + 0.309017i 1.00799 1.99598i 1.00000i 1.85184 3.63444i −0.453990 0.891007i 0.951057 + 0.309017i 2.12909 + 0.683342i
277.15 0.156434 + 0.987688i 0.987688 + 0.156434i −0.951057 + 0.309017i 2.22022 + 0.265769i 1.00000i 1.65375 3.24566i −0.453990 0.891007i 0.951057 + 0.309017i 0.0848219 + 2.23446i
277.16 0.156434 + 0.987688i 0.987688 + 0.156434i −0.951057 + 0.309017i 2.23590 + 0.0275636i 1.00000i −1.08401 + 2.12750i −0.453990 0.891007i 0.951057 + 0.309017i 0.322547 + 2.21268i
337.1 −0.453990 + 0.891007i 0.891007 0.453990i −0.587785 0.809017i −2.20246 + 0.386226i 1.00000i 3.54459 + 0.561408i 0.987688 0.156434i 0.587785 0.809017i 0.655766 2.13775i
337.2 −0.453990 + 0.891007i 0.891007 0.453990i −0.587785 0.809017i −1.81236 1.30972i 1.00000i −2.09145 0.331253i 0.987688 0.156434i 0.587785 0.809017i 1.98976 1.02022i
337.3 −0.453990 + 0.891007i 0.891007 0.453990i −0.587785 0.809017i −1.39059 + 1.75108i 1.00000i −2.23420 0.353863i 0.987688 0.156434i 0.587785 0.809017i −0.928908 2.03399i
337.4 −0.453990 + 0.891007i 0.891007 0.453990i −0.587785 0.809017i −0.354402 2.20780i 1.00000i 5.01200 + 0.793822i 0.987688 0.156434i 0.587785 0.809017i 2.12806 + 0.686548i
See next 80 embeddings (of 128 total)
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 277.16
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
155.r even 20 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 930.2.bj.b yes 128
5.c odd 4 1 930.2.bj.a 128
31.f odd 10 1 930.2.bj.a 128
155.r even 20 1 inner 930.2.bj.b yes 128
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
930.2.bj.a 128 5.c odd 4 1
930.2.bj.a 128 31.f odd 10 1
930.2.bj.b yes 128 1.a even 1 1 trivial
930.2.bj.b yes 128 155.r even 20 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{7}^{128} - 4 T_{7}^{127} - 42 T_{7}^{126} + 84 T_{7}^{125} + 475 T_{7}^{124} + 3256 T_{7}^{123} + \cdots + 34\!\cdots\!76 \) acting on \(S_{2}^{\mathrm{new}}(930, [\chi])\). Copy content Toggle raw display