Properties

Label 128.6.g.a
Level $128$
Weight $6$
Character orbit 128.g
Analytic conductor $20.529$
Analytic rank $0$
Dimension $76$
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] = [128,6,Mod(17,128)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(128, base_ring=CyclotomicField(8))
 
chi = DirichletCharacter(H, H._module([0, 7]))
 
N = Newforms(chi, 6, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("128.17");
 
S:= CuspForms(chi, 6);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 128 = 2^{7} \)
Weight: \( k \) \(=\) \( 6 \)
Character orbit: \([\chi]\) \(=\) 128.g (of order \(8\), degree \(4\), not 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: \(20.5291289361\)
Analytic rank: \(0\)
Dimension: \(76\)
Relative dimension: \(19\) over \(\Q(\zeta_{8})\)
Twist minimal: no (minimal twist has level 32)
Sato-Tate group: $\mathrm{SU}(2)[C_{8}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 76 q + 4 q^{3} - 4 q^{5} + 4 q^{7} - 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 76 q + 4 q^{3} - 4 q^{5} + 4 q^{7} - 4 q^{9} + 4 q^{11} - 4 q^{13} + 4 q^{19} - 4 q^{21} - 1668 q^{23} - 4 q^{25} + 7468 q^{27} - 4 q^{29} - 23056 q^{31} - 8 q^{33} + 4780 q^{35} - 4 q^{37} + 44908 q^{39} - 4 q^{41} - 32068 q^{43} + 968 q^{45} + 19912 q^{51} - 49460 q^{53} - 110044 q^{55} - 4 q^{57} + 28964 q^{59} + 96156 q^{61} + 158768 q^{63} - 8 q^{65} + 61164 q^{67} - 44644 q^{69} - 143836 q^{71} - 4 q^{73} - 205744 q^{75} - 14900 q^{77} + 329244 q^{83} + 12496 q^{85} + 282188 q^{87} - 4 q^{89} - 200108 q^{91} - 976 q^{93} - 577592 q^{95} - 8 q^{97} - 338544 q^{99}+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
17.1 0 −10.7913 + 26.0525i 0 −26.5895 + 11.0137i 0 −131.646 + 131.646i 0 −390.452 390.452i 0
17.2 0 −10.1367 + 24.4721i 0 −58.4422 + 24.2075i 0 163.765 163.765i 0 −324.305 324.305i 0
17.3 0 −9.04699 + 21.8414i 0 83.7809 34.7032i 0 34.8236 34.8236i 0 −223.371 223.371i 0
17.4 0 −7.44181 + 17.9661i 0 29.7710 12.3316i 0 −32.2015 + 32.2015i 0 −95.5738 95.5738i 0
17.5 0 −6.19399 + 14.9536i 0 −2.09949 + 0.869637i 0 63.4847 63.4847i 0 −13.4180 13.4180i 0
17.6 0 −4.90532 + 11.8425i 0 56.4155 23.3681i 0 −77.5935 + 77.5935i 0 55.6443 + 55.6443i 0
17.7 0 −4.68811 + 11.3181i 0 −98.5667 + 40.8277i 0 −104.908 + 104.908i 0 65.7060 + 65.7060i 0
17.8 0 −1.59693 + 3.85534i 0 −32.3386 + 13.3951i 0 71.7275 71.7275i 0 159.514 + 159.514i 0
17.9 0 −0.399918 + 0.965487i 0 −41.3553 + 17.1299i 0 −125.552 + 125.552i 0 171.055 + 171.055i 0
17.10 0 −0.355593 + 0.858478i 0 −47.1761 + 19.5410i 0 64.1149 64.1149i 0 171.216 + 171.216i 0
17.11 0 0.512391 1.23702i 0 50.7130 21.0060i 0 40.9895 40.9895i 0 170.559 + 170.559i 0
17.12 0 3.34607 8.07812i 0 90.7112 37.5738i 0 136.759 136.759i 0 117.767 + 117.767i 0
17.13 0 4.24511 10.2486i 0 36.3338 15.0500i 0 −153.750 + 153.750i 0 84.8142 + 84.8142i 0
17.14 0 5.15883 12.4545i 0 50.0856 20.7461i 0 −106.306 + 106.306i 0 43.3257 + 43.3257i 0
17.15 0 6.55463 15.8243i 0 −38.0662 + 15.7675i 0 −29.7916 + 29.7916i 0 −35.6173 35.6173i 0
17.16 0 7.16078 17.2876i 0 −8.84628 + 3.66425i 0 158.442 158.442i 0 −75.7590 75.7590i 0
17.17 0 7.87640 19.0153i 0 −91.3601 + 37.8426i 0 −18.5982 + 18.5982i 0 −127.718 127.718i 0
17.18 0 9.61436 23.2111i 0 −17.5778 + 7.28095i 0 10.1181 10.1181i 0 −274.493 274.493i 0
17.19 0 11.3810 27.4761i 0 62.9000 26.0541i 0 −32.1730 + 32.1730i 0 −453.581 453.581i 0
49.1 0 −26.1289 + 10.8229i 0 −1.85266 + 4.47271i 0 −18.4008 18.4008i 0 393.755 393.755i 0
See all 76 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 17.19
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
32.g even 8 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 128.6.g.a 76
4.b odd 2 1 32.6.g.a 76
32.g even 8 1 inner 128.6.g.a 76
32.h odd 8 1 32.6.g.a 76
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
32.6.g.a 76 4.b odd 2 1
32.6.g.a 76 32.h odd 8 1
128.6.g.a 76 1.a even 1 1 trivial
128.6.g.a 76 32.g even 8 1 inner

Hecke kernels

This newform subspace is the entire newspace \(S_{6}^{\mathrm{new}}(128, [\chi])\).