Properties

Label 930.2.bt.a
Level $930$
Weight $2$
Character orbit 930.bt
Analytic conductor $7.426$
Analytic rank $0$
Dimension $256$
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(13,930)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(930, base_ring=CyclotomicField(60))
 
chi = DirichletCharacter(H, H._module([0, 45, 22]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("930.13");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 930 = 2 \cdot 3 \cdot 5 \cdot 31 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 930.bt (of order \(60\), degree \(16\), 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: \(256\)
Relative dimension: \(16\) over \(\Q(\zeta_{60})\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{60}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 256 q + 8 q^{7}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 256 q + 8 q^{7} + 4 q^{10} - 24 q^{14} - 8 q^{15} + 64 q^{16} + 36 q^{17} - 40 q^{19} + 12 q^{20} - 16 q^{21} + 8 q^{22} - 32 q^{24} + 20 q^{25} + 4 q^{28} - 16 q^{29} - 8 q^{31} - 4 q^{33} - 24 q^{35} + 128 q^{36} + 4 q^{37} + 4 q^{38} + 48 q^{41} + 32 q^{42} - 24 q^{43} + 4 q^{44} - 12 q^{45} - 20 q^{46} - 168 q^{47} - 40 q^{49} + 48 q^{50} - 64 q^{53} + 64 q^{54} + 64 q^{55} + 28 q^{57} + 68 q^{58} - 24 q^{59} + 4 q^{62} + 4 q^{63} - 60 q^{65} + 12 q^{66} - 76 q^{67} - 4 q^{68} + 12 q^{69} - 16 q^{70} - 48 q^{71} + 52 q^{73} + 68 q^{74} + 48 q^{75} + 48 q^{76} + 84 q^{77} - 56 q^{79} - 32 q^{81} - 32 q^{82} + 136 q^{83} + 68 q^{85} + 24 q^{86} + 20 q^{87} + 56 q^{88} - 224 q^{89} + 40 q^{91} - 48 q^{93} - 4 q^{95} + 8 q^{97} + 64 q^{98} + 4 q^{99}+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
13.1 −0.156434 + 0.987688i 0.358368 0.933580i −0.951057 0.309017i −1.68012 1.47553i 0.866025 + 0.500000i −1.74433 0.0914165i 0.453990 0.891007i −0.743145 0.669131i 1.72019 1.42861i
13.2 −0.156434 + 0.987688i 0.358368 0.933580i −0.951057 0.309017i −1.65687 + 1.50160i 0.866025 + 0.500000i −2.43455 0.127590i 0.453990 0.891007i −0.743145 0.669131i −1.22392 1.87137i
13.3 −0.156434 + 0.987688i 0.358368 0.933580i −0.951057 0.309017i −1.65366 + 1.50512i 0.866025 + 0.500000i 0.140670 + 0.00737222i 0.453990 0.891007i −0.743145 0.669131i −1.22790 1.86876i
13.4 −0.156434 + 0.987688i 0.358368 0.933580i −0.951057 0.309017i −1.12100 1.93477i 0.866025 + 0.500000i 0.00733325 0.000384319i 0.453990 0.891007i −0.743145 0.669131i 2.08632 0.804537i
13.5 −0.156434 + 0.987688i 0.358368 0.933580i −0.951057 0.309017i 1.57500 1.58726i 0.866025 + 0.500000i 4.42218 + 0.231757i 0.453990 0.891007i −0.743145 0.669131i 1.32133 + 1.80391i
13.6 −0.156434 + 0.987688i 0.358368 0.933580i −0.951057 0.309017i 1.66702 + 1.49031i 0.866025 + 0.500000i 2.09913 + 0.110011i 0.453990 0.891007i −0.743145 0.669131i −1.73274 + 1.41336i
13.7 −0.156434 + 0.987688i 0.358368 0.933580i −0.951057 0.309017i 2.05562 + 0.880016i 0.866025 + 0.500000i −0.216795 0.0113618i 0.453990 0.891007i −0.743145 0.669131i −1.19075 + 1.89265i
13.8 −0.156434 + 0.987688i 0.358368 0.933580i −0.951057 0.309017i 2.21938 + 0.272664i 0.866025 + 0.500000i −4.57122 0.239568i 0.453990 0.891007i −0.743145 0.669131i −0.616494 + 2.14940i
13.9 0.156434 0.987688i −0.358368 + 0.933580i −0.951057 0.309017i −2.21293 0.320863i 0.866025 + 0.500000i −2.17593 0.114036i −0.453990 + 0.891007i −0.743145 0.669131i −0.663091 + 2.13549i
13.10 0.156434 0.987688i −0.358368 + 0.933580i −0.951057 0.309017i −1.90371 + 1.17298i 0.866025 + 0.500000i 1.91384 + 0.100300i −0.453990 + 0.891007i −0.743145 0.669131i 0.860728 + 2.06377i
13.11 0.156434 0.987688i −0.358368 + 0.933580i −0.951057 0.309017i −1.16716 1.90728i 0.866025 + 0.500000i 2.78313 + 0.145858i −0.453990 + 0.891007i −0.743145 0.669131i −2.06639 + 0.854429i
13.12 0.156434 0.987688i −0.358368 + 0.933580i −0.951057 0.309017i −0.443582 + 2.19163i 0.866025 + 0.500000i −2.50424 0.131242i −0.453990 + 0.891007i −0.743145 0.669131i 2.09525 + 0.780967i
13.13 0.156434 0.987688i −0.358368 + 0.933580i −0.951057 0.309017i 0.904456 2.04498i 0.866025 + 0.500000i −2.34346 0.122815i −0.453990 + 0.891007i −0.743145 0.669131i −1.87832 1.21323i
13.14 0.156434 0.987688i −0.358368 + 0.933580i −0.951057 0.309017i 1.00881 + 1.99557i 0.866025 + 0.500000i 4.83852 + 0.253576i −0.453990 + 0.891007i −0.743145 0.669131i 2.12882 0.684211i
13.15 0.156434 0.987688i −0.358368 + 0.933580i −0.951057 0.309017i 1.45393 1.69884i 0.866025 + 0.500000i 3.84003 + 0.201247i −0.453990 + 0.891007i −0.743145 0.669131i −1.45048 1.70179i
13.16 0.156434 0.987688i −0.358368 + 0.933580i −0.951057 0.309017i 1.76830 + 1.36862i 0.866025 + 0.500000i −0.704223 0.0369068i −0.453990 + 0.891007i −0.743145 0.669131i 1.62840 1.53243i
43.1 −0.987688 + 0.156434i 0.933580 0.358368i 0.951057 0.309017i −1.95765 + 1.08055i −0.866025 + 0.500000i −0.179844 3.43163i −0.891007 + 0.453990i 0.743145 0.669131i 1.76452 1.37349i
43.2 −0.987688 + 0.156434i 0.933580 0.358368i 0.951057 0.309017i −1.92766 + 1.13319i −0.866025 + 0.500000i 0.0854612 + 1.63070i −0.891007 + 0.453990i 0.743145 0.669131i 1.72666 1.42079i
43.3 −0.987688 + 0.156434i 0.933580 0.358368i 0.951057 0.309017i −1.71760 1.43173i −0.866025 + 0.500000i 0.0366609 + 0.699531i −0.891007 + 0.453990i 0.743145 0.669131i 1.92043 + 1.14541i
43.4 −0.987688 + 0.156434i 0.933580 0.358368i 0.951057 0.309017i −0.387188 + 2.20229i −0.866025 + 0.500000i −0.0918879 1.75333i −0.891007 + 0.453990i 0.743145 0.669131i 0.0379066 2.23575i
See next 80 embeddings (of 256 total)
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 13.16
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
155.x even 60 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 930.2.bt.a 256
5.c odd 4 1 930.2.bt.b yes 256
31.h odd 30 1 930.2.bt.b yes 256
155.x even 60 1 inner 930.2.bt.a 256
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
930.2.bt.a 256 1.a even 1 1 trivial
930.2.bt.a 256 155.x even 60 1 inner
930.2.bt.b yes 256 5.c odd 4 1
930.2.bt.b yes 256 31.h odd 30 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{7}^{256} - 8 T_{7}^{255} + 52 T_{7}^{254} - 348 T_{7}^{253} + 3362 T_{7}^{252} + \cdots + 18\!\cdots\!36 \) acting on \(S_{2}^{\mathrm{new}}(930, [\chi])\). Copy content Toggle raw display