Properties

Label 930.2.bt.b
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.

\(\operatorname{Tr}(f)(q) = \) \( 256 q + 16 q^{7}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 256 q + 16 q^{7} + 4 q^{10} + 24 q^{14} + 8 q^{15} + 64 q^{16} - 36 q^{17} + 40 q^{19} - 12 q^{20} - 16 q^{21} + 44 q^{22} + 32 q^{24} - 28 q^{25} - 8 q^{28} + 16 q^{29} - 8 q^{31} - 4 q^{33} - 24 q^{35} + 128 q^{36} - 76 q^{37} + 28 q^{38} + 48 q^{41} - 4 q^{42} + 120 q^{43} - 4 q^{44} + 12 q^{45} - 20 q^{46} + 72 q^{47} + 40 q^{49} + 48 q^{50} - 16 q^{53} - 64 q^{54} + 36 q^{55} - 4 q^{57} - 68 q^{58} + 24 q^{59} - 20 q^{62} + 4 q^{63} + 156 q^{65} + 12 q^{66} + 44 q^{67} + 4 q^{68} - 12 q^{69} + 104 q^{70} - 48 q^{71} - 84 q^{73} - 68 q^{74} - 48 q^{75} + 48 q^{76} - 124 q^{77} + 56 q^{79} - 32 q^{81} + 16 q^{82} - 112 q^{83} + 132 q^{85} + 24 q^{86} + 32 q^{87} + 52 q^{88} + 224 q^{89} + 40 q^{91} + 64 q^{93} - 204 q^{95} + 8 q^{97} - 32 q^{98} - 4 q^{99}+O(q^{100}) \) 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 −2.21414 + 0.312392i −0.866025 0.500000i −3.70934 0.194398i 0.453990 0.891007i −0.743145 0.669131i 0.0378215 2.23575i
13.2 −0.156434 + 0.987688i −0.358368 + 0.933580i −0.951057 0.309017i −1.71365 1.43646i −0.866025 0.500000i 1.75333 + 0.0918879i 0.453990 0.891007i −0.743145 0.669131i 1.68685 1.46784i
13.3 −0.156434 + 0.987688i −0.358368 + 0.933580i −0.951057 0.309017i −1.61201 + 1.54966i −0.866025 0.500000i 2.94133 + 0.154149i 0.453990 0.891007i −0.743145 0.669131i −1.27840 1.83458i
13.4 −0.156434 + 0.987688i −0.358368 + 0.933580i −0.951057 0.309017i −0.0175372 2.23600i −0.866025 0.500000i −1.63070 0.0854612i 0.453990 0.891007i −0.743145 0.669131i 2.21121 + 0.332466i
13.5 −0.156434 + 0.987688i −0.358368 + 0.933580i −0.951057 0.309017i 0.0430415 2.23565i −0.866025 0.500000i 3.43163 + 0.179844i 0.453990 0.891007i −0.743145 0.669131i 2.20140 + 0.392245i
13.6 −0.156434 + 0.987688i −0.358368 + 0.933580i −0.951057 0.309017i 0.402123 + 2.19961i −0.866025 0.500000i −0.877389 0.0459820i 0.453990 0.891007i −0.743145 0.669131i −2.23544 + 0.0530771i
13.7 −0.156434 + 0.987688i −0.358368 + 0.933580i −0.951057 0.309017i 1.76804 + 1.36895i −0.866025 0.500000i 3.85109 + 0.201827i 0.453990 0.891007i −0.743145 0.669131i −1.62868 + 1.53213i
13.8 −0.156434 + 0.987688i −0.358368 + 0.933580i −0.951057 0.309017i 2.09871 0.771623i −0.866025 0.500000i −0.699531 0.0366609i 0.453990 0.891007i −0.743145 0.669131i 0.433812 + 2.19358i
13.9 0.156434 0.987688i 0.358368 0.933580i −0.951057 0.309017i −2.22514 + 0.220752i −0.866025 0.500000i −2.35743 0.123548i −0.453990 + 0.891007i −0.743145 0.669131i −0.130055 + 2.23228i
13.10 0.156434 0.987688i 0.358368 0.933580i −0.951057 0.309017i −1.14184 + 1.92255i −0.866025 0.500000i −0.0309572 0.00162240i −0.453990 + 0.891007i −0.743145 0.669131i 1.72026 + 1.42854i
13.11 0.156434 0.987688i 0.358368 0.933580i −0.951057 0.309017i −0.657500 2.13722i −0.866025 0.500000i −3.81046 0.199698i −0.453990 + 0.891007i −0.743145 0.669131i −2.21376 + 0.315071i
13.12 0.156434 0.987688i 0.358368 0.933580i −0.951057 0.309017i −0.322096 2.21275i −0.866025 0.500000i 3.31662 + 0.173817i −0.453990 + 0.891007i −0.743145 0.669131i −2.23589 0.0280193i
13.13 0.156434 0.987688i 0.358368 0.933580i −0.951057 0.309017i −0.285666 + 2.21775i −0.866025 0.500000i 2.60023 + 0.136272i −0.453990 + 0.891007i −0.743145 0.669131i 2.14575 + 0.629081i
13.14 0.156434 0.987688i 0.358368 0.933580i −0.951057 0.309017i 1.23620 + 1.86328i −0.866025 0.500000i −0.503455 0.0263849i −0.453990 + 0.891007i −0.743145 0.669131i 2.03372 0.929500i
13.15 0.156434 0.987688i 0.358368 0.933580i −0.951057 0.309017i 1.65605 1.50249i −0.866025 0.500000i −3.28823 0.172329i −0.453990 + 0.891007i −0.743145 0.669131i −1.22493 1.87071i
13.16 0.156434 0.987688i 0.358368 0.933580i −0.951057 0.309017i 2.17193 0.531716i −0.866025 0.500000i 1.18884 + 0.0623043i −0.453990 + 0.891007i −0.743145 0.669131i −0.185405 2.22837i
43.1 −0.987688 + 0.156434i −0.933580 + 0.358368i 0.951057 0.309017i −2.16210 0.570360i 0.866025 0.500000i −0.231757 4.42218i −0.891007 + 0.453990i 0.743145 0.669131i 2.22471 + 0.225111i
43.2 −0.987688 + 0.156434i −0.933580 + 0.358368i 0.951057 0.309017i −1.11506 + 1.93820i 0.866025 0.500000i −0.000384319 0.00733325i −0.891007 + 0.453990i 0.743145 0.669131i 0.798131 2.08878i
43.3 −0.987688 + 0.156434i −0.933580 + 0.358368i 0.951057 0.309017i −0.873557 2.05837i 0.866025 0.500000i 0.239568 + 4.57122i −0.891007 + 0.453990i 0.743145 0.669131i 1.18480 + 1.89638i
43.4 −0.987688 + 0.156434i −0.933580 + 0.358368i 0.951057 0.309017i −0.437784 + 2.19279i 0.866025 0.500000i 0.0914165 + 1.74433i −0.891007 + 0.453990i 0.743145 0.669131i 0.0893656 2.23428i
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.b yes 256
5.c odd 4 1 930.2.bt.a 256
31.h odd 30 1 930.2.bt.a 256
155.x even 60 1 inner 930.2.bt.b yes 256
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
930.2.bt.a 256 5.c odd 4 1
930.2.bt.a 256 31.h odd 30 1
930.2.bt.b yes 256 1.a even 1 1 trivial
930.2.bt.b yes 256 155.x even 60 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{7}^{256} - 16 T_{7}^{255} + 108 T_{7}^{254} - 332 T_{7}^{253} + 1410 T_{7}^{252} + \cdots + 18\!\cdots\!36 \) acting on \(S_{2}^{\mathrm{new}}(930, [\chi])\). Copy content Toggle raw display