Properties

Label 805.2.c.c
Level $805$
Weight $2$
Character orbit 805.c
Analytic conductor $6.428$
Analytic rank $0$
Dimension $42$
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] = [805,2,Mod(484,805)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(805, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 0, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("805.484");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 805 = 5 \cdot 7 \cdot 23 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 805.c (of order \(2\), degree \(1\), 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: \(6.42795736271\)
Analytic rank: \(0\)
Dimension: \(42\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 42 q - 60 q^{4} + 2 q^{5} + 12 q^{6} - 60 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 42 q - 60 q^{4} + 2 q^{5} + 12 q^{6} - 60 q^{9} - 4 q^{10} + 14 q^{11} - 4 q^{14} + 112 q^{16} - 48 q^{19} + 10 q^{20} - 2 q^{21} - 48 q^{24} - 2 q^{25} - 4 q^{26} - 22 q^{29} + 8 q^{30} + 92 q^{31} - 56 q^{34} + 116 q^{36} - 62 q^{39} + 10 q^{40} + 28 q^{41} - 24 q^{44} - 20 q^{45} + 4 q^{46} - 42 q^{49} - 28 q^{50} + 34 q^{51} + 12 q^{54} - 4 q^{55} + 12 q^{56} - 20 q^{59} - 74 q^{60} + 76 q^{61} - 200 q^{64} - 8 q^{65} + 76 q^{66} + 2 q^{69} + 12 q^{70} + 112 q^{71} + 40 q^{74} - 52 q^{75} + 120 q^{76} - 98 q^{79} - 96 q^{80} + 114 q^{81} + 44 q^{84} - 54 q^{85} + 32 q^{86} - 56 q^{89} - 100 q^{90} - 6 q^{91} - 132 q^{94} - 16 q^{95} + 92 q^{96} + 4 q^{99}+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
484.1 2.80022i 0.208644i −5.84124 −1.70159 1.45072i −0.584249 1.00000i 10.7563i 2.95647 −4.06234 + 4.76483i
484.2 2.72900i 3.06108i −5.44746 −2.23566 + 0.0429229i −8.35371 1.00000i 9.40815i −6.37023 0.117137 + 6.10111i
484.3 2.70441i 1.97894i −5.31383 0.525494 + 2.17344i 5.35185 1.00000i 8.96197i −0.916187 5.87788 1.42115i
484.4 2.68001i 3.08395i −5.18247 1.08626 1.95449i 8.26504 1.00000i 8.52906i −6.51078 −5.23807 2.91118i
484.5 2.57149i 0.285863i −4.61257 1.95531 1.08478i 0.735095 1.00000i 6.71821i 2.91828 −2.78950 5.02807i
484.6 2.38755i 1.09554i −3.70041 2.13213 + 0.673804i −2.61567 1.00000i 4.05982i 1.79978 1.60874 5.09058i
484.7 2.35921i 2.50751i −3.56589 −2.09438 0.783299i 5.91575 1.00000i 3.69426i −3.28760 −1.84797 + 4.94110i
484.8 2.20248i 2.83822i −2.85093 −0.287811 + 2.21747i 6.25112 1.00000i 1.87416i −5.05547 4.88394 + 0.633899i
484.9 2.11197i 1.59044i −2.46043 −1.77982 + 1.35361i −3.35897 1.00000i 0.972410i 0.470497 2.85878 + 3.75893i
484.10 1.67541i 3.24787i −0.806990 −0.276266 + 2.21894i −5.44150 1.00000i 1.99878i −7.54864 3.71762 + 0.462857i
484.11 1.61751i 2.88096i −0.616354 2.14065 + 0.646219i −4.65999 1.00000i 2.23807i −5.29992 1.04527 3.46254i
484.12 1.53505i 0.943091i −0.356385 0.00201580 2.23607i 1.44769 1.00000i 2.52303i 2.11058 −3.43248 0.00309436i
484.13 1.50084i 0.816695i −0.252529 2.06282 0.863005i −1.22573 1.00000i 2.62268i 2.33301 −1.29523 3.09597i
484.14 1.30923i 2.43985i 0.285909 0.245062 2.22260i 3.19433 1.00000i 2.99279i −2.95286 −2.90990 0.320843i
484.15 1.22234i 1.28664i 0.505878 1.74857 1.39374i −1.57271 1.00000i 3.06304i 1.34457 −1.70363 2.13735i
484.16 0.817573i 1.89500i 1.33157 −1.04173 + 1.97858i 1.54930 1.00000i 2.72381i −0.591014 1.61764 + 0.851693i
484.17 0.685218i 1.12744i 1.53048 −2.23604 0.0108956i 0.772540 1.00000i 2.41915i 1.72889 −0.00746587 + 1.53218i
484.18 0.556064i 2.94180i 1.69079 1.39046 + 1.75118i 1.63583 1.00000i 2.05232i −5.65418 0.973767 0.773184i
484.19 0.475047i 0.568069i 1.77433 −0.0751241 2.23481i −0.269859 1.00000i 1.79298i 2.67730 −1.06164 + 0.0356875i
484.20 0.294301i 3.07644i 1.91339 1.51307 1.64640i −0.905400 1.00000i 1.15171i −6.46449 −0.484536 0.445298i
See all 42 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 484.42
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
5.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 805.2.c.c 42
5.b even 2 1 inner 805.2.c.c 42
5.c odd 4 1 4025.2.a.bd 21
5.c odd 4 1 4025.2.a.be 21
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
805.2.c.c 42 1.a even 1 1 trivial
805.2.c.c 42 5.b even 2 1 inner
4025.2.a.bd 21 5.c odd 4 1
4025.2.a.be 21 5.c odd 4 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{42} + 72 T_{2}^{40} + 2390 T_{2}^{38} + 48524 T_{2}^{36} + 674123 T_{2}^{34} + 6793094 T_{2}^{32} + \cdots + 65536 \) acting on \(S_{2}^{\mathrm{new}}(805, [\chi])\). Copy content Toggle raw display