Properties

Label 324.4.i.a
Level $324$
Weight $4$
Character orbit 324.i
Analytic conductor $19.117$
Analytic rank $0$
Dimension $54$
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] = [324,4,Mod(37,324)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(324, base_ring=CyclotomicField(18))
 
chi = DirichletCharacter(H, H._module([0, 14]))
 
N = Newforms(chi, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("324.37");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 324 = 2^{2} \cdot 3^{4} \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 324.i (of order \(9\), degree \(6\), 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: \(19.1166188419\)
Analytic rank: \(0\)
Dimension: \(54\)
Relative dimension: \(9\) over \(\Q(\zeta_{9})\)
Twist minimal: no (minimal twist has level 108)
Sato-Tate group: $\mathrm{SU}(2)[C_{9}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 54 q - 12 q^{5}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 54 q - 12 q^{5} + 87 q^{11} - 204 q^{17} - 96 q^{23} - 216 q^{25} - 318 q^{29} - 54 q^{31} - 6 q^{35} - 867 q^{41} - 513 q^{43} + 1548 q^{47} + 594 q^{49} + 1068 q^{53} + 1218 q^{59} - 54 q^{61} - 96 q^{65} - 2997 q^{67} + 120 q^{71} - 216 q^{73} - 3480 q^{77} + 2808 q^{79} - 4464 q^{83} + 2160 q^{85} - 4029 q^{89} + 270 q^{91} + 1650 q^{95} - 3483 q^{97}+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
37.1 0 0 0 −19.7528 + 7.18944i 0 0.723940 + 4.10567i 0 0 0
37.2 0 0 0 −13.2490 + 4.82225i 0 3.17294 + 17.9946i 0 0 0
37.3 0 0 0 −11.1609 + 4.06223i 0 −4.28132 24.2806i 0 0 0
37.4 0 0 0 −5.21695 + 1.89881i 0 1.58868 + 9.00985i 0 0 0
37.5 0 0 0 4.27250 1.55506i 0 −4.69568 26.6305i 0 0 0
37.6 0 0 0 4.80495 1.74886i 0 5.74341 + 32.5725i 0 0 0
37.7 0 0 0 6.50317 2.36696i 0 1.34685 + 7.63837i 0 0 0
37.8 0 0 0 10.0092 3.64305i 0 −2.90933 16.4997i 0 0 0
37.9 0 0 0 13.0875 4.76347i 0 −0.689494 3.91032i 0 0 0
73.1 0 0 0 −15.7004 + 13.1742i 0 −8.81657 + 3.20897i 0 0 0
73.2 0 0 0 −8.18465 + 6.86774i 0 −24.4722 + 8.90714i 0 0 0
73.3 0 0 0 −7.52940 + 6.31792i 0 24.9076 9.06562i 0 0 0
73.4 0 0 0 −6.54095 + 5.48851i 0 11.9650 4.35489i 0 0 0
73.5 0 0 0 1.73722 1.45770i 0 −5.32680 + 1.93880i 0 0 0
73.6 0 0 0 5.18194 4.34817i 0 16.8240 6.12342i 0 0 0
73.7 0 0 0 5.19451 4.35871i 0 −17.8009 + 6.47901i 0 0 0
73.8 0 0 0 12.8040 10.7439i 0 −20.8033 + 7.57178i 0 0 0
73.9 0 0 0 14.9393 12.5356i 0 23.5233 8.56177i 0 0 0
145.1 0 0 0 −3.27839 + 18.5927i 0 4.82725 4.05055i 0 0 0
145.2 0 0 0 −2.26368 + 12.8380i 0 −3.04053 + 2.55131i 0 0 0
See all 54 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 37.9
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
27.e even 9 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 324.4.i.a 54
3.b odd 2 1 108.4.i.a 54
27.e even 9 1 inner 324.4.i.a 54
27.f odd 18 1 108.4.i.a 54
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
108.4.i.a 54 3.b odd 2 1
108.4.i.a 54 27.f odd 18 1
324.4.i.a 54 1.a even 1 1 trivial
324.4.i.a 54 27.e even 9 1 inner

Hecke kernels

This newform subspace is the entire newspace \(S_{4}^{\mathrm{new}}(324, [\chi])\).