Properties

Label 816.2.bh.c
Level $816$
Weight $2$
Character orbit 816.bh
Analytic conductor $6.516$
Analytic rank $0$
Dimension $124$
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] = [816,2,Mod(35,816)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(816, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([2, 3, 2, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("816.35");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 816 = 2^{4} \cdot 3 \cdot 17 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 816.bh (of order \(4\), 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: \(6.51579280494\)
Analytic rank: \(0\)
Dimension: \(124\)
Relative dimension: \(62\) over \(\Q(i)\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{4}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 124 q - 4 q^{2} - 4 q^{5} + 6 q^{6} + 12 q^{7} + 8 q^{8} - 12 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 124 q - 4 q^{2} - 4 q^{5} + 6 q^{6} + 12 q^{7} + 8 q^{8} - 12 q^{9} - 4 q^{11} - 12 q^{12} + 8 q^{13} + 12 q^{14} - 12 q^{15} + 16 q^{18} - 4 q^{19} - 52 q^{20} + 12 q^{21} - 16 q^{22} - 16 q^{24} + 28 q^{26} - 12 q^{27} + 8 q^{29} - 24 q^{30} + 16 q^{32} - 4 q^{34} + 24 q^{35} + 56 q^{36} - 8 q^{37} - 8 q^{38} - 36 q^{39} + 36 q^{40} - 24 q^{41} - 12 q^{42} - 20 q^{43} + 20 q^{44} - 52 q^{45} - 4 q^{46} - 32 q^{47} + 20 q^{48} + 108 q^{49} - 40 q^{50} - 8 q^{52} + 16 q^{53} + 50 q^{54} - 40 q^{55} - 24 q^{56} - 24 q^{57} - 36 q^{58} + 4 q^{59} - 12 q^{60} + 24 q^{61} - 28 q^{62} + 36 q^{63} - 48 q^{64} + 92 q^{66} + 4 q^{67} - 8 q^{68} - 72 q^{70} + 24 q^{72} + 92 q^{74} + 8 q^{75} - 56 q^{76} - 36 q^{77} - 32 q^{78} + 16 q^{80} - 36 q^{81} - 20 q^{82} + 36 q^{83} + 36 q^{84} - 4 q^{85} + 80 q^{87} + 60 q^{88} + 16 q^{89} - 44 q^{90} - 12 q^{91} + 104 q^{92} - 24 q^{93} - 32 q^{94} - 56 q^{95} + 20 q^{96} + 16 q^{97} - 92 q^{98} + 56 q^{99}+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
35.1 −1.41408 + 0.0193758i −1.72466 0.159874i 1.99925 0.0547979i 1.58607 + 1.58607i 2.44190 + 0.192658i 1.50080 −2.82604 + 0.116226i 2.94888 + 0.551455i −2.27356 2.21210i
35.2 −1.41120 + 0.0922243i 1.09232 + 1.34419i 1.98299 0.260294i −0.312654 0.312654i −1.66545 1.79618i −2.39885 −2.77440 + 0.550208i −0.613668 + 2.93656i 0.470053 + 0.412385i
35.3 −1.40896 0.121776i −0.955174 1.44487i 1.97034 + 0.343157i −1.16277 1.16277i 1.16985 + 2.15208i −2.27492 −2.73434 0.723435i −1.17528 + 2.76020i 1.49669 + 1.77989i
35.4 −1.38464 + 0.287702i −0.954322 + 1.44543i 1.83445 0.796729i −1.50951 1.50951i 0.905539 2.27596i 3.43490 −2.31084 + 1.63096i −1.17854 2.75881i 2.52442 + 1.65584i
35.5 −1.37382 + 0.335584i 1.63225 0.579434i 1.77477 0.922064i 1.75683 + 1.75683i −2.04798 + 1.34380i 1.77368 −2.12878 + 1.86233i 2.32851 1.89157i −3.00313 1.82400i
35.6 −1.35099 + 0.418117i −1.72576 + 0.147446i 1.65036 1.12975i −2.11786 2.11786i 2.26984 0.920770i −3.48796 −1.75725 + 2.21632i 2.95652 0.508915i 3.74673 + 1.97570i
35.7 −1.33501 0.466627i −0.461119 1.66954i 1.56452 + 1.24591i 2.64828 + 2.64828i −0.163453 + 2.44403i 4.61896 −1.50728 2.39335i −2.57474 + 1.53972i −2.29973 4.77124i
35.8 −1.31634 + 0.516966i 1.62317 + 0.604407i 1.46549 1.36100i −2.41460 2.41460i −2.44910 + 0.0435202i 2.57003 −1.22549 + 2.54915i 2.26938 + 1.96212i 4.42670 + 1.93017i
35.9 −1.26166 0.638910i 0.881475 1.49097i 1.18359 + 1.61218i −0.0939607 0.0939607i −2.06472 + 1.31792i −0.105597 −0.463253 2.79023i −1.44600 2.62851i 0.0585143 + 0.178579i
35.10 −1.21433 + 0.724839i 1.01832 1.40108i 0.949217 1.76039i −1.21434 1.21434i −0.221025 + 2.43950i −3.59563 0.123336 + 2.82574i −0.926045 2.85350i 2.35482 + 0.594414i
35.11 −1.20913 0.733493i 1.40161 + 1.01759i 0.923975 + 1.77377i −2.32657 2.32657i −0.948335 2.25846i −2.46056 0.183848 2.82245i 0.929037 + 2.85252i 1.10659 + 4.51964i
35.12 −1.16677 0.799147i −1.69103 + 0.374733i 0.722727 + 1.86485i 0.455424 + 0.455424i 2.27252 + 0.914152i −4.72509 0.647031 2.75343i 2.71915 1.26737i −0.167426 0.895328i
35.13 −1.15730 0.812808i 1.40099 1.01844i 0.678686 + 1.88133i −1.62872 1.62872i −2.44916 + 0.0398998i 2.91139 0.743713 2.72890i 0.925566 2.85365i 0.561082 + 3.20876i
35.14 −1.14105 + 0.835462i −1.51128 0.846192i 0.604005 1.90661i 2.28493 + 2.28493i 2.43141 0.297066i −3.55506 0.903702 + 2.68017i 1.56792 + 2.55766i −4.51620 0.698254i
35.15 −1.08045 0.912489i 1.04619 + 1.38039i 0.334729 + 1.97179i 2.83480 + 2.83480i 0.129236 2.44608i −1.14023 1.43758 2.43585i −0.810962 + 2.88831i −0.476127 5.64957i
35.16 −1.04000 + 0.958328i −0.343694 + 1.69761i 0.163215 1.99333i 0.141788 + 0.141788i −1.26942 2.09489i −1.49884 1.74052 + 2.22948i −2.76375 1.16692i −0.283338 0.0115806i
35.17 −1.03888 0.959546i −1.47856 + 0.902142i 0.158543 + 1.99371i 0.812410 + 0.812410i 2.40169 + 0.481530i 3.63748 1.74835 2.22335i 1.37228 2.66774i −0.0644515 1.62354i
35.18 −0.969764 1.02935i −0.112313 + 1.72841i −0.119114 + 1.99645i −2.07215 2.07215i 1.88805 1.56054i 3.25344 2.17055 1.81348i −2.97477 0.388246i −0.123466 + 4.14246i
35.19 −0.945277 + 1.05188i 0.208059 1.71951i −0.212904 1.98864i −2.52621 2.52621i 1.61204 + 1.84426i 1.58640 2.29306 + 1.65586i −2.91342 0.715518i 5.04524 0.269303i
35.20 −0.745678 + 1.20165i 1.61122 + 0.635578i −0.887929 1.79209i 1.74078 + 1.74078i −1.96520 + 1.46219i −1.17168 2.81557 + 0.269341i 2.19208 + 2.04812i −3.38987 + 0.793748i
See next 80 embeddings (of 124 total)
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 35.62
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
48.k even 4 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 816.2.bh.c 124
3.b odd 2 1 816.2.bh.d yes 124
16.f odd 4 1 816.2.bh.d yes 124
48.k even 4 1 inner 816.2.bh.c 124
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
816.2.bh.c 124 1.a even 1 1 trivial
816.2.bh.c 124 48.k even 4 1 inner
816.2.bh.d yes 124 3.b odd 2 1
816.2.bh.d yes 124 16.f odd 4 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{124} + 4 T_{5}^{123} + 8 T_{5}^{122} - 16 T_{5}^{121} + 1904 T_{5}^{120} + 7504 T_{5}^{119} + \cdots + 14\!\cdots\!24 \) acting on \(S_{2}^{\mathrm{new}}(816, [\chi])\). Copy content Toggle raw display