Properties

Label 648.7.e.c
Level $648$
Weight $7$
Character orbit 648.e
Analytic conductor $149.075$
Analytic rank $0$
Dimension $36$
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] = [648,7,Mod(161,648)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(648, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 1]))
 
N = Newforms(chi, 7, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("648.161");
 
S:= CuspForms(chi, 7);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 648 = 2^{3} \cdot 3^{4} \)
Weight: \( k \) \(=\) \( 7 \)
Character orbit: \([\chi]\) \(=\) 648.e (of order \(2\), degree \(1\), 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: \(149.075046186\)
Analytic rank: \(0\)
Dimension: \(36\)
Twist minimal: no (minimal twist has level 72)
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 36 q+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 36 q + 9540 q^{19} - 112500 q^{25} - 55440 q^{31} - 31860 q^{43} + 397548 q^{49} - 197064 q^{55} - 34272 q^{61} - 54180 q^{67} - 534060 q^{73} - 345240 q^{79} + 1583136 q^{85} + 538560 q^{91} - 1541412 q^{97}+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
161.1 0 0 0 244.807i 0 397.030 0 0 0
161.2 0 0 0 208.701i 0 −347.432 0 0 0
161.3 0 0 0 201.898i 0 387.828 0 0 0
161.4 0 0 0 183.121i 0 −198.208 0 0 0
161.5 0 0 0 182.017i 0 −399.532 0 0 0
161.6 0 0 0 176.491i 0 −305.068 0 0 0
161.7 0 0 0 143.962i 0 −106.579 0 0 0
161.8 0 0 0 130.791i 0 287.184 0 0 0
161.9 0 0 0 107.663i 0 64.9668 0 0 0
161.10 0 0 0 105.872i 0 −476.866 0 0 0
161.11 0 0 0 100.993i 0 42.3502 0 0 0
161.12 0 0 0 99.7374i 0 415.322 0 0 0
161.13 0 0 0 87.7969i 0 575.780 0 0 0
161.14 0 0 0 56.6696i 0 452.974 0 0 0
161.15 0 0 0 50.0519i 0 −94.5066 0 0 0
161.16 0 0 0 30.2276i 0 −602.813 0 0 0
161.17 0 0 0 13.7535i 0 −348.446 0 0 0
161.18 0 0 0 11.4688i 0 256.017 0 0 0
161.19 0 0 0 11.4688i 0 256.017 0 0 0
161.20 0 0 0 13.7535i 0 −348.446 0 0 0
See all 36 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 161.36
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 648.7.e.c 36
3.b odd 2 1 inner 648.7.e.c 36
9.c even 3 1 72.7.m.a 36
9.c even 3 1 216.7.m.a 36
9.d odd 6 1 72.7.m.a 36
9.d odd 6 1 216.7.m.a 36
36.f odd 6 1 144.7.q.d 36
36.f odd 6 1 432.7.q.d 36
36.h even 6 1 144.7.q.d 36
36.h even 6 1 432.7.q.d 36
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
72.7.m.a 36 9.c even 3 1
72.7.m.a 36 9.d odd 6 1
144.7.q.d 36 36.f odd 6 1
144.7.q.d 36 36.h even 6 1
216.7.m.a 36 9.c even 3 1
216.7.m.a 36 9.d odd 6 1
432.7.q.d 36 36.f odd 6 1
432.7.q.d 36 36.h even 6 1
648.7.e.c 36 1.a even 1 1 trivial
648.7.e.c 36 3.b odd 2 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{36} + 337500 T_{5}^{34} + 51150720402 T_{5}^{32} + \cdots + 24\!\cdots\!00 \) acting on \(S_{7}^{\mathrm{new}}(648, [\chi])\). Copy content Toggle raw display