Properties

Label 164.5.h.a
Level $164$
Weight $5$
Character orbit 164.h
Analytic conductor $16.953$
Analytic rank $0$
Dimension $56$
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] = [164,5,Mod(85,164)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(164, base_ring=CyclotomicField(8))
 
chi = DirichletCharacter(H, H._module([0, 3]))
 
N = Newforms(chi, 5, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("164.85");
 
S:= CuspForms(chi, 5);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 164 = 2^{2} \cdot 41 \)
Weight: \( k \) \(=\) \( 5 \)
Character orbit: \([\chi]\) \(=\) 164.h (of order \(8\), degree \(4\), 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: \(16.9526739458\)
Analytic rank: \(0\)
Dimension: \(56\)
Relative dimension: \(14\) over \(\Q(\zeta_{8})\)
Twist minimal: yes
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.

\(\operatorname{Tr}(f)(q) = \) \( 56 q + 16 q^{3} + 48 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 56 q + 16 q^{3} + 48 q^{9} - 396 q^{13} - 348 q^{15} + 732 q^{17} + 96 q^{19} + 1900 q^{21} + 1204 q^{27} + 24 q^{29} - 2092 q^{33} - 5376 q^{35} - 6640 q^{37} - 1232 q^{39} + 2796 q^{41} - 4420 q^{43} + 3120 q^{47} + 12072 q^{49} + 4000 q^{51} + 504 q^{53} - 6920 q^{55} + 29960 q^{57} + 7140 q^{61} - 13768 q^{63} + 8652 q^{65} - 6896 q^{67} - 9748 q^{69} - 7656 q^{71} + 10596 q^{73} - 6332 q^{75} - 9012 q^{77} + 22908 q^{79} - 87240 q^{83} - 25432 q^{85} + 45812 q^{87} - 26748 q^{89} - 16604 q^{91} + 23392 q^{93} + 5316 q^{95} - 19272 q^{97} + 82032 q^{99}+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
85.1 0 −6.50619 + 15.7073i 0 11.9441 + 11.9441i 0 27.5778 66.5788i 0 −147.114 147.114i 0
85.2 0 −5.06683 + 12.2324i 0 −5.49066 5.49066i 0 −23.2374 + 56.1000i 0 −66.6837 66.6837i 0
85.3 0 −4.23537 + 10.2251i 0 11.7033 + 11.7033i 0 −10.2485 + 24.7421i 0 −29.3384 29.3384i 0
85.4 0 −3.88138 + 9.37049i 0 −31.2234 31.2234i 0 13.0527 31.5121i 0 −15.4653 15.4653i 0
85.5 0 −2.16982 + 5.23842i 0 14.6042 + 14.6042i 0 12.5724 30.3524i 0 34.5428 + 34.5428i 0
85.6 0 −0.881831 + 2.12893i 0 32.7552 + 32.7552i 0 −22.6182 + 54.6051i 0 53.5209 + 53.5209i 0
85.7 0 −0.314706 + 0.759767i 0 −2.58279 2.58279i 0 32.4835 78.4222i 0 56.7974 + 56.7974i 0
85.8 0 0.0880302 0.212524i 0 −16.3525 16.3525i 0 −14.6034 + 35.2556i 0 57.2382 + 57.2382i 0
85.9 0 1.51555 3.65887i 0 −15.4582 15.4582i 0 −8.96870 + 21.6523i 0 46.1852 + 46.1852i 0
85.10 0 3.11888 7.52964i 0 22.8730 + 22.8730i 0 5.53820 13.3704i 0 10.3075 + 10.3075i 0
85.11 0 3.55815 8.59014i 0 12.9792 + 12.9792i 0 12.2211 29.5042i 0 −3.85441 3.85441i 0
85.12 0 4.11580 9.93641i 0 −8.65776 8.65776i 0 −32.5373 + 78.5519i 0 −24.5168 24.5168i 0
85.13 0 5.31219 12.8248i 0 −24.5239 24.5239i 0 21.1406 51.0379i 0 −78.9797 78.9797i 0
85.14 0 6.51910 15.7385i 0 14.4008 + 14.4008i 0 −12.3730 + 29.8710i 0 −147.926 147.926i 0
109.1 0 −14.8296 + 6.14263i 0 18.3281 18.3281i 0 −25.9038 + 10.7297i 0 124.910 124.910i 0
109.2 0 −12.4576 + 5.16010i 0 −4.22194 + 4.22194i 0 43.5193 18.0263i 0 71.2893 71.2893i 0
109.3 0 −10.6578 + 4.41461i 0 −4.00655 + 4.00655i 0 −46.1462 + 19.1144i 0 36.8245 36.8245i 0
109.4 0 −6.27730 + 2.60014i 0 −33.2574 + 33.2574i 0 68.7068 28.4593i 0 −24.6319 + 24.6319i 0
109.5 0 −5.81579 + 2.40898i 0 −24.2556 + 24.2556i 0 −62.5434 + 25.9063i 0 −29.2554 + 29.2554i 0
109.6 0 −4.61947 + 1.91345i 0 26.2443 26.2443i 0 43.5243 18.0284i 0 −39.5974 + 39.5974i 0
See all 56 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 85.14
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
41.e odd 8 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 164.5.h.a 56
41.e odd 8 1 inner 164.5.h.a 56
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
164.5.h.a 56 1.a even 1 1 trivial
164.5.h.a 56 41.e odd 8 1 inner

Hecke kernels

This newform subspace is the entire newspace \(S_{5}^{\mathrm{new}}(164, [\chi])\).