Properties

Label 891.2.u.e
Level $891$
Weight $2$
Character orbit 891.u
Analytic conductor $7.115$
Analytic rank $0$
Dimension $64$
CM no
Inner twists $8$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [891,2,Mod(107,891)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(891, base_ring=CyclotomicField(30))
 
chi = DirichletCharacter(H, H._module([5, 9]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("891.107");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 891 = 3^{4} \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 891.u (of order \(30\), degree \(8\), 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: \(7.11467082010\)
Analytic rank: \(0\)
Dimension: \(64\)
Relative dimension: \(8\) over \(\Q(\zeta_{30})\)
Twist minimal: no (minimal twist has level 297)
Sato-Tate group: $\mathrm{SU}(2)[C_{30}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 64 q + 8 q^{4}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 64 q + 8 q^{4} + 4 q^{16} - 36 q^{22} - 8 q^{25} - 200 q^{28} - 8 q^{31} + 64 q^{34} - 24 q^{37} + 60 q^{40} - 40 q^{46} - 100 q^{52} + 16 q^{55} - 24 q^{58} - 60 q^{61} + 72 q^{64} + 24 q^{67} - 8 q^{70} + 160 q^{73} + 60 q^{79} + 144 q^{82} + 20 q^{85} + 24 q^{88} + 48 q^{91} - 20 q^{94} + 24 q^{97}+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
107.1 −0.269800 2.56697i 0 −4.56025 + 0.969312i 0.460024 + 0.0483504i 0 1.41721 1.27606i 2.12333 + 6.53495i 0 1.19391i
107.2 −0.206165 1.96152i 0 −1.84878 + 0.392970i 0.935625 + 0.0983382i 0 −2.23753 + 2.01468i −0.0669928 0.206183i 0 1.85553i
107.3 −0.106570 1.01395i 0 0.939559 0.199709i −3.08748 0.324507i 0 3.11115 2.80129i −0.932731 2.87065i 0 3.16513i
107.4 −0.0667948 0.635510i 0 1.55688 0.330926i 2.44156 + 0.256618i 0 −0.543595 + 0.489455i −0.709229 2.18278i 0 1.56878i
107.5 0.0667948 + 0.635510i 0 1.55688 0.330926i −2.44156 0.256618i 0 −0.543595 + 0.489455i 0.709229 + 2.18278i 0 1.56878i
107.6 0.106570 + 1.01395i 0 0.939559 0.199709i 3.08748 + 0.324507i 0 3.11115 2.80129i 0.932731 + 2.87065i 0 3.16513i
107.7 0.206165 + 1.96152i 0 −1.84878 + 0.392970i −0.935625 0.0983382i 0 −2.23753 + 2.01468i 0.0669928 + 0.206183i 0 1.85553i
107.8 0.269800 + 2.56697i 0 −4.56025 + 0.969312i −0.460024 0.0483504i 0 1.41721 1.27606i −2.12333 6.53495i 0 1.19391i
134.1 −2.66757 + 0.567010i 0 4.96736 2.21161i −0.462252 + 2.17472i 0 −3.33344 0.350359i −7.58414 + 5.51020i 0 6.06334i
134.2 −1.64032 + 0.348661i 0 0.741992 0.330356i 0.314203 1.47821i 0 −4.09794 0.430711i 1.61147 1.17080i 0 2.53429i
134.3 −1.14283 + 0.242916i 0 −0.580043 + 0.258252i −0.0549699 + 0.258613i 0 1.44175 + 0.151534i 2.49060 1.80953i 0 0.308903i
134.4 −0.607139 + 0.129051i 0 −1.47513 + 0.656769i −0.776244 + 3.65194i 0 2.20625 + 0.231886i 1.81517 1.31880i 0 2.31741i
134.5 0.607139 0.129051i 0 −1.47513 + 0.656769i 0.776244 3.65194i 0 2.20625 + 0.231886i −1.81517 + 1.31880i 0 2.31741i
134.6 1.14283 0.242916i 0 −0.580043 + 0.258252i 0.0549699 0.258613i 0 1.44175 + 0.151534i −2.49060 + 1.80953i 0 0.308903i
134.7 1.64032 0.348661i 0 0.741992 0.330356i −0.314203 + 1.47821i 0 −4.09794 0.430711i −1.61147 + 1.17080i 0 2.53429i
134.8 2.66757 0.567010i 0 4.96736 2.21161i 0.462252 2.17472i 0 −3.33344 0.350359i 7.58414 5.51020i 0 6.06334i
215.1 −1.82483 + 2.02668i 0 −0.568369 5.40767i 1.65224 1.48768i 0 1.36330 3.06202i 7.58414 + 5.51020i 0 6.06334i
215.2 −1.12211 + 1.24623i 0 −0.0848992 0.807762i −1.12307 + 1.01121i 0 1.67596 3.76427i −1.61147 1.17080i 0 2.53429i
215.3 −0.781785 + 0.868260i 0 0.0663688 + 0.631457i 0.196480 0.176912i 0 −0.589641 + 1.32436i −2.49060 1.80953i 0 0.308903i
215.4 −0.415331 + 0.461272i 0 0.168785 + 1.60588i 2.77455 2.49822i 0 −0.902304 + 2.02661i −1.81517 1.31880i 0 2.31741i
See all 64 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 107.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
9.c even 3 1 inner
9.d odd 6 1 inner
11.d odd 10 1 inner
33.f even 10 1 inner
99.o odd 30 1 inner
99.p even 30 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 891.2.u.e 64
3.b odd 2 1 inner 891.2.u.e 64
9.c even 3 1 297.2.k.a 32
9.c even 3 1 inner 891.2.u.e 64
9.d odd 6 1 297.2.k.a 32
9.d odd 6 1 inner 891.2.u.e 64
11.d odd 10 1 inner 891.2.u.e 64
33.f even 10 1 inner 891.2.u.e 64
99.o odd 30 1 297.2.k.a 32
99.o odd 30 1 inner 891.2.u.e 64
99.p even 30 1 297.2.k.a 32
99.p even 30 1 inner 891.2.u.e 64
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
297.2.k.a 32 9.c even 3 1
297.2.k.a 32 9.d odd 6 1
297.2.k.a 32 99.o odd 30 1
297.2.k.a 32 99.p even 30 1
891.2.u.e 64 1.a even 1 1 trivial
891.2.u.e 64 3.b odd 2 1 inner
891.2.u.e 64 9.c even 3 1 inner
891.2.u.e 64 9.d odd 6 1 inner
891.2.u.e 64 11.d odd 10 1 inner
891.2.u.e 64 33.f even 10 1 inner
891.2.u.e 64 99.o odd 30 1 inner
891.2.u.e 64 99.p even 30 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{64} - 12 T_{2}^{62} + 43 T_{2}^{60} + 264 T_{2}^{58} - 4176 T_{2}^{56} + 35880 T_{2}^{54} + \cdots + 214358881 \) acting on \(S_{2}^{\mathrm{new}}(891, [\chi])\). Copy content Toggle raw display