Properties

Label 1764.2.bm.c
Level $1764$
Weight $2$
Character orbit 1764.bm
Analytic conductor $14.086$
Analytic rank $0$
Dimension $48$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1764,2,Mod(1685,1764)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1764, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 1, 5]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1764.1685");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1764 = 2^{2} \cdot 3^{2} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1764.bm (of order \(6\), degree \(2\), 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: \(14.0856109166\)
Analytic rank: \(0\)
Dimension: \(48\)
Relative dimension: \(24\) over \(\Q(\zeta_{6})\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 48 q - 8 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 48 q - 8 q^{9} + 24 q^{15} + 48 q^{25} - 16 q^{39} - 48 q^{51} + 48 q^{53} + 16 q^{57} + 72 q^{65} - 24 q^{79} - 72 q^{81} - 24 q^{85} + 144 q^{93} - 96 q^{95} - 40 q^{99}+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1685.1 0 −1.67980 0.422207i 0 1.76434 0 0 0 2.64348 + 1.41845i 0
1685.2 0 −1.61111 + 0.635870i 0 −4.19356 0 0 0 2.19134 2.04891i 0
1685.3 0 −1.60072 0.661583i 0 −1.32437 0 0 0 2.12462 + 2.11802i 0
1685.4 0 −1.53224 + 0.807605i 0 1.49089 0 0 0 1.69555 2.47490i 0
1685.5 0 −1.34187 + 1.09516i 0 0.113102 0 0 0 0.601240 2.93913i 0
1685.6 0 −1.28699 1.15916i 0 −3.28666 0 0 0 0.312692 + 2.98366i 0
1685.7 0 −1.00057 1.41381i 0 2.62774 0 0 0 −0.997726 + 2.82923i 0
1685.8 0 −0.942894 + 1.45291i 0 1.64101 0 0 0 −1.22190 2.73988i 0
1685.9 0 −0.855097 1.50626i 0 −3.29237 0 0 0 −1.53762 + 2.57599i 0
1685.10 0 −0.602975 1.62371i 0 0.184109 0 0 0 −2.27284 + 1.95811i 0
1685.11 0 −0.371109 + 1.69183i 0 −2.14608 0 0 0 −2.72456 1.25571i 0
1685.12 0 −0.304737 1.70503i 0 3.38118 0 0 0 −2.81427 + 1.03917i 0
1685.13 0 0.304737 + 1.70503i 0 −3.38118 0 0 0 −2.81427 + 1.03917i 0
1685.14 0 0.371109 1.69183i 0 2.14608 0 0 0 −2.72456 1.25571i 0
1685.15 0 0.602975 + 1.62371i 0 −0.184109 0 0 0 −2.27284 + 1.95811i 0
1685.16 0 0.855097 + 1.50626i 0 3.29237 0 0 0 −1.53762 + 2.57599i 0
1685.17 0 0.942894 1.45291i 0 −1.64101 0 0 0 −1.22190 2.73988i 0
1685.18 0 1.00057 + 1.41381i 0 −2.62774 0 0 0 −0.997726 + 2.82923i 0
1685.19 0 1.28699 + 1.15916i 0 3.28666 0 0 0 0.312692 + 2.98366i 0
1685.20 0 1.34187 1.09516i 0 −0.113102 0 0 0 0.601240 2.93913i 0
See all 48 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1685.24
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.b odd 2 1 inner
63.n odd 6 1 inner
63.s even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1764.2.bm.c 48
3.b odd 2 1 5292.2.bm.c 48
7.b odd 2 1 inner 1764.2.bm.c 48
7.c even 3 1 1764.2.w.c 48
7.c even 3 1 1764.2.x.c 48
7.d odd 6 1 1764.2.w.c 48
7.d odd 6 1 1764.2.x.c 48
9.c even 3 1 5292.2.w.c 48
9.d odd 6 1 1764.2.w.c 48
21.c even 2 1 5292.2.bm.c 48
21.g even 6 1 5292.2.w.c 48
21.g even 6 1 5292.2.x.c 48
21.h odd 6 1 5292.2.w.c 48
21.h odd 6 1 5292.2.x.c 48
63.g even 3 1 5292.2.bm.c 48
63.h even 3 1 5292.2.x.c 48
63.i even 6 1 1764.2.x.c 48
63.j odd 6 1 1764.2.x.c 48
63.k odd 6 1 5292.2.bm.c 48
63.l odd 6 1 5292.2.w.c 48
63.n odd 6 1 inner 1764.2.bm.c 48
63.o even 6 1 1764.2.w.c 48
63.s even 6 1 inner 1764.2.bm.c 48
63.t odd 6 1 5292.2.x.c 48
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1764.2.w.c 48 7.c even 3 1
1764.2.w.c 48 7.d odd 6 1
1764.2.w.c 48 9.d odd 6 1
1764.2.w.c 48 63.o even 6 1
1764.2.x.c 48 7.c even 3 1
1764.2.x.c 48 7.d odd 6 1
1764.2.x.c 48 63.i even 6 1
1764.2.x.c 48 63.j odd 6 1
1764.2.bm.c 48 1.a even 1 1 trivial
1764.2.bm.c 48 7.b odd 2 1 inner
1764.2.bm.c 48 63.n odd 6 1 inner
1764.2.bm.c 48 63.s even 6 1 inner
5292.2.w.c 48 9.c even 3 1
5292.2.w.c 48 21.g even 6 1
5292.2.w.c 48 21.h odd 6 1
5292.2.w.c 48 63.l odd 6 1
5292.2.x.c 48 21.g even 6 1
5292.2.x.c 48 21.h odd 6 1
5292.2.x.c 48 63.h even 3 1
5292.2.x.c 48 63.t odd 6 1
5292.2.bm.c 48 3.b odd 2 1
5292.2.bm.c 48 21.c even 2 1
5292.2.bm.c 48 63.g even 3 1
5292.2.bm.c 48 63.k odd 6 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{24} - 72 T_{5}^{22} + 2208 T_{5}^{20} - 37880 T_{5}^{18} + 401421 T_{5}^{16} - 2738940 T_{5}^{14} + \cdots + 10609 \) acting on \(S_{2}^{\mathrm{new}}(1764, [\chi])\). Copy content Toggle raw display