Properties

Label 855.2.bk.a
Level $855$
Weight $2$
Character orbit 855.bk
Analytic conductor $6.827$
Analytic rank $0$
Dimension $232$
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] = [855,2,Mod(619,855)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(855, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([4, 3, 4]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("855.619");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 855 = 3^{2} \cdot 5 \cdot 19 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 855.bk (of order \(6\), degree \(2\), 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: \(6.82720937282\)
Analytic rank: \(0\)
Dimension: \(232\)
Relative dimension: \(116\) over \(\Q(\zeta_{6})\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 232 q + 114 q^{4} - 2 q^{5} - 10 q^{6} - 2 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 232 q + 114 q^{4} - 2 q^{5} - 10 q^{6} - 2 q^{9} + 2 q^{10} - 4 q^{11} - 52 q^{14} + 21 q^{15} - 106 q^{16} - 8 q^{19} - 19 q^{20} - 26 q^{21} + 32 q^{24} - 2 q^{25} + 8 q^{26} - 52 q^{29} - 17 q^{30} - 4 q^{31} - 32 q^{34} - 13 q^{35} - 10 q^{36} - 18 q^{39} + 16 q^{40} + 76 q^{41} - 4 q^{44} + 23 q^{45} + 4 q^{46} + 88 q^{49} - 18 q^{50} - 20 q^{51} - 30 q^{54} + 3 q^{55} - 44 q^{56} - 92 q^{59} + 36 q^{60} - 4 q^{61} - 176 q^{64} + 34 q^{65} + 30 q^{66} - 2 q^{69} - 36 q^{70} - 66 q^{71} + 28 q^{74} - 58 q^{75} - 6 q^{76} + 2 q^{79} + 26 q^{80} - 46 q^{81} + 2 q^{84} + 11 q^{85} - 60 q^{86} + 44 q^{89} + 34 q^{90} - 18 q^{91} + 4 q^{94} - 6 q^{95} + 86 q^{96} + 28 q^{99}+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
619.1 −2.40800 + 1.39026i −0.445567 + 1.67376i 2.86563 4.96341i −1.09149 1.95158i −1.25403 4.64986i 2.44832 + 1.41354i 10.3748i −2.60294 1.49154i 5.34150 + 3.18193i
619.2 −2.37590 + 1.37173i −0.758902 1.55694i 2.76327 4.78612i 1.64696 + 1.51246i 3.93878 + 2.65813i 1.46938 + 0.848348i 9.67490i −1.84813 + 2.36313i −5.98769 1.33426i
619.3 −2.36669 + 1.36641i 0.616907 1.61846i 2.73415 4.73569i −2.21687 + 0.292392i 0.751456 + 4.67335i 1.62972 + 0.940918i 9.47823i −2.23885 1.99688i 4.84712 3.72115i
619.4 −2.29368 + 1.32426i 1.67612 0.436595i 2.50731 4.34280i 0.330297 + 2.21154i −3.26632 + 3.22103i −3.10566 1.79305i 7.98429i 2.61877 1.46357i −3.68624 4.63517i
619.5 −2.25938 + 1.30445i −1.55359 0.765732i 2.40318 4.16244i −2.10823 0.745240i 4.50901 0.296512i −3.04365 1.75725i 7.32154i 1.82731 + 2.37927i 5.73540 1.06630i
619.6 −2.25061 + 1.29939i 1.48041 + 0.899108i 2.37683 4.11679i 1.38531 1.75525i −4.50011 0.0999145i −0.834324 0.481697i 7.15615i 1.38321 + 2.66209i −0.837030 + 5.75045i
619.7 −2.21273 + 1.27752i −1.69026 0.378178i 2.26411 3.92156i 1.20111 1.88609i 4.22322 1.32253i 1.86729 + 1.07808i 6.45971i 2.71396 + 1.27844i −0.248214 + 5.70785i
619.8 −2.18587 + 1.26201i 1.36119 + 1.07105i 2.18536 3.78515i 1.97941 + 1.04017i −4.32708 0.623335i 2.62968 + 1.51825i 5.98375i 0.705699 + 2.91582i −5.63944 + 0.224368i
619.9 −2.17333 + 1.25477i −1.55265 + 0.767638i 2.14890 3.72200i −1.26013 + 1.84718i 2.41121 3.61655i −0.287799 0.166161i 5.76640i 1.82146 2.38375i 0.420896 5.59569i
619.10 −2.17233 + 1.25420i 0.628411 1.61403i 2.14602 3.71702i 0.790244 2.09177i 0.659197 + 4.29437i −3.62710 2.09411i 5.74937i −2.21020 2.02855i 0.906823 + 5.53515i
619.11 −2.06053 + 1.18965i 0.0963643 + 1.72937i 1.83052 3.17055i −0.439596 + 2.19243i −2.25590 3.44877i −1.36859 0.790155i 3.95210i −2.98143 + 0.333299i −1.70242 5.04053i
619.12 −2.03946 + 1.17748i 1.71521 + 0.240975i 1.77293 3.07080i −2.01107 + 0.977556i −3.78184 + 1.52817i 3.59061 + 2.07304i 3.64045i 2.88386 + 0.826643i 2.95043 4.36168i
619.13 −1.96984 + 1.13729i 0.765960 + 1.55348i 1.58685 2.74851i −2.22170 + 0.253098i −3.27558 2.18900i 0.431864 + 0.249337i 2.66968i −1.82661 + 2.37981i 4.08855 3.02528i
619.14 −1.94963 + 1.12562i 1.68432 0.403807i 1.53405 2.65705i −1.59512 1.56704i −2.82928 + 2.68318i −0.656911 0.379268i 2.40453i 2.67388 1.36028i 4.87378 + 1.25965i
619.15 −1.92513 + 1.11147i 1.23145 1.21801i 1.47075 2.54741i 2.21849 0.279858i −1.01691 + 3.71354i 1.30755 + 0.754912i 2.09291i 0.0329232 2.99982i −3.95982 + 3.00455i
619.16 −1.89209 + 1.09240i −1.42242 + 0.988297i 1.38666 2.40177i 1.90234 1.17520i 1.61172 3.42379i 0.138311 + 0.0798541i 1.68955i 1.04654 2.81154i −2.31560 + 4.30170i
619.17 −1.87749 + 1.08397i −1.01881 + 1.40072i 1.34998 2.33823i −1.15497 1.91469i 0.394463 3.73420i −3.98272 2.29943i 1.51747i −0.924055 2.85414i 4.24391 + 2.34286i
619.18 −1.86943 + 1.07932i −1.60863 0.642106i 1.32984 2.30336i −1.05173 + 1.97329i 3.70026 0.535850i 4.12771 + 2.38314i 1.42402i 2.17540 + 2.06583i −0.163660 4.82407i
619.19 −1.81202 + 1.04617i −0.454796 1.67128i 1.18894 2.05930i 2.20732 + 0.357414i 2.57253 + 2.55259i −1.42646 0.823569i 0.790648i −2.58632 + 1.52018i −4.37362 + 1.66159i
619.20 −1.80800 + 1.04385i −0.551253 + 1.64199i 1.17925 2.04252i 2.04984 + 0.893400i −0.717323 3.54414i 4.28952 + 2.47655i 0.748438i −2.39224 1.81030i −4.63869 + 0.524456i
See next 80 embeddings (of 232 total)
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 619.116
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
5.b even 2 1 inner
171.g even 3 1 inner
855.bk even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 855.2.bk.a yes 232
5.b even 2 1 inner 855.2.bk.a yes 232
9.c even 3 1 855.2.s.a 232
19.c even 3 1 855.2.s.a 232
45.j even 6 1 855.2.s.a 232
95.i even 6 1 855.2.s.a 232
171.g even 3 1 inner 855.2.bk.a yes 232
855.bk even 6 1 inner 855.2.bk.a yes 232
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
855.2.s.a 232 9.c even 3 1
855.2.s.a 232 19.c even 3 1
855.2.s.a 232 45.j even 6 1
855.2.s.a 232 95.i even 6 1
855.2.bk.a yes 232 1.a even 1 1 trivial
855.2.bk.a yes 232 5.b even 2 1 inner
855.2.bk.a yes 232 171.g even 3 1 inner
855.2.bk.a yes 232 855.bk even 6 1 inner

Hecke kernels

This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(855, [\chi])\).