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Properties

Label 896.2.u.c
Level $896$
Weight $2$
Character orbit 896.u
Analytic conductor $7.155$
Analytic rank $0$
Dimension $52$
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] = [896,2,Mod(113,896)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(896, base_ring=CyclotomicField(8))
 
chi = DirichletCharacter(H, H._module([0, 1, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("896.113");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 896 = 2^{7} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 896.u (of order \(8\), degree \(4\), 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: \(7.15459602111\)
Analytic rank: \(0\)
Dimension: \(52\)
Relative dimension: \(13\) over \(\Q(\zeta_{8})\)
Twist minimal: no (minimal twist has level 224)
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.

\(\operatorname{Tr}(f)(q) = \) \( 52 q+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 52 q + 20 q^{23} + 24 q^{27} - 48 q^{33} + 24 q^{39} + 44 q^{43} + 40 q^{45} - 16 q^{51} - 36 q^{53} - 32 q^{55} - 32 q^{61} - 68 q^{63} + 80 q^{65} - 28 q^{67} - 32 q^{69} - 32 q^{75} - 12 q^{77} + 64 q^{85} + 56 q^{87} + 64 q^{95} - 72 q^{97} + 64 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Display 100 coefficients 10 coefficients

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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
113.1 0 −1.23966 − 2.99281i 0 2.25399 + 0.933632i 0 0.707107 + 0.707107i 0 −5.29885 + 5.29885i 0
113.2 0 −1.19114 − 2.87567i 0 −3.07070 − 1.27193i 0 0.707107 + 0.707107i 0 −4.72935 + 4.72935i 0
113.3 0 −0.738703 − 1.78339i 0 −0.509656 − 0.211106i 0 0.707107 + 0.707107i 0 −0.513466 + 0.513466i 0
113.4 0 −0.694865 − 1.67755i 0 −0.286541 − 0.118689i 0 0.707107 + 0.707107i 0 −0.210023 + 0.210023i 0
113.5 0 −0.424336 − 1.02444i 0 3.70330 + 1.53396i 0 0.707107 + 0.707107i 0 1.25191 − 1.25191i 0
113.6 0 −0.264188 − 0.637807i 0 −1.89692 − 0.785729i 0 0.707107 + 0.707107i 0 1.78432 − 1.78432i 0
113.7 0 −0.0427122 − 0.103116i 0 2.38883 + 0.989485i 0 0.707107 + 0.707107i 0 2.11251 − 2.11251i 0
113.8 0 0.439285 + 1.06053i 0 −3.40891 − 1.41202i 0 0.707107 + 0.707107i 0 1.18957 − 1.18957i 0
113.9 0 0.587552 + 1.41848i 0 2.93480 + 1.21564i 0 0.707107 + 0.707107i 0 0.454461 − 0.454461i 0
113.10 0 0.622222 + 1.50218i 0 −0.781648 − 0.323769i 0 0.707107 + 0.707107i 0 0.251948 − 0.251948i 0
113.11 0 0.728858 + 1.75962i 0 −1.90564 − 0.789342i 0 0.707107 + 0.707107i 0 −0.443707 + 0.443707i 0
113.12 0 0.951433 + 2.29696i 0 2.43243 + 1.00754i 0 0.707107 + 0.707107i 0 −2.24949 + 2.24949i 0
113.13 0 1.26626 + 3.05702i 0 −1.85332 − 0.767672i 0 0.707107 + 0.707107i 0 −5.62065 + 5.62065i 0
337.1 0 −2.91760 − 1.20851i 0 −0.629460 − 1.51965i 0 −0.707107 + 0.707107i 0 4.93055 + 4.93055i 0
337.2 0 −2.47594 − 1.02557i 0 −1.23251 − 2.97553i 0 −0.707107 + 0.707107i 0 2.95715 + 2.95715i 0
337.3 0 −2.18713 − 0.905938i 0 0.797931 + 1.92638i 0 −0.707107 + 0.707107i 0 1.84149 + 1.84149i 0
337.4 0 −1.74965 − 0.724727i 0 1.44353 + 3.48498i 0 −0.707107 + 0.707107i 0 0.414709 + 0.414709i 0
337.5 0 −0.999166 − 0.413868i 0 0.523077 + 1.26282i 0 −0.707107 + 0.707107i 0 −1.29427 − 1.29427i 0
337.6 0 −0.496926 − 0.205834i 0 −0.334218 − 0.806875i 0 −0.707107 + 0.707107i 0 −1.91675 − 1.91675i 0
337.7 0 0.301186 + 0.124755i 0 −0.107860 − 0.260396i 0 −0.707107 + 0.707107i 0 −2.04617 − 2.04617i 0
See all 52 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 113.13
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
32.g even 8 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 896.2.u.c 52
4.b odd 2 1 224.2.u.c ✓ 52
32.g even 8 1 inner 896.2.u.c 52
32.h odd 8 1 224.2.u.c ✓ 52
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
224.2.u.c ✓ 52 4.b odd 2 1
224.2.u.c ✓ 52 32.h odd 8 1
896.2.u.c 52 1.a even 1 1 trivial
896.2.u.c 52 32.g even 8 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{52} - 8 T_{3}^{49} + 72 T_{3}^{47} - 40 T_{3}^{46} + 88 T_{3}^{45} + 16440 T_{3}^{44} + \cdots + 151519232 \) acting on \(S_{2}^{\mathrm{new}}(896, [\chi])\). Copy content Toggle raw display