Properties

Label 896.2.m.g
Level $896$
Weight $2$
Character orbit 896.m
Analytic conductor $7.155$
Analytic rank $0$
Dimension $12$
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(225,896)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(896, base_ring=CyclotomicField(4))
 
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("896.225");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 896 = 2^{7} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 896.m (of order \(4\), 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: \(7.15459602111\)
Analytic rank: \(0\)
Dimension: \(12\)
Relative dimension: \(6\) over \(\Q(i)\)
Coefficient field: 12.0.20138089353117696.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - 3x^{10} - 2x^{9} + 2x^{8} + 4x^{7} + 2x^{6} + 8x^{5} + 8x^{4} - 16x^{3} - 48x^{2} + 64 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{9} \)
Twist minimal: no (minimal twist has level 112)
Sato-Tate group: $\mathrm{SU}(2)[C_{4}]$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{11}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{6} q^{3} + ( - \beta_{5} - \beta_{3} - \beta_{2} - 1) q^{5} + \beta_{3} q^{7} + ( - \beta_{4} - 2 \beta_{3} + \cdots + \beta_1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{6} q^{3} + ( - \beta_{5} - \beta_{3} - \beta_{2} - 1) q^{5} + \beta_{3} q^{7} + ( - \beta_{4} - 2 \beta_{3} + \cdots + \beta_1) q^{9}+ \cdots + ( - 2 \beta_{11} - \beta_{10} + \cdots - 3) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q - 4 q^{3} - 4 q^{5}+O(q^{10}) \) Copy content Toggle raw display \( 12 q - 4 q^{3} - 4 q^{5} - 24 q^{15} - 8 q^{17} - 4 q^{21} - 4 q^{27} + 4 q^{29} - 8 q^{31} + 4 q^{35} + 20 q^{37} - 16 q^{43} - 40 q^{45} + 16 q^{47} - 12 q^{49} + 16 q^{51} - 4 q^{53} + 16 q^{59} + 20 q^{61} + 12 q^{63} + 32 q^{65} - 24 q^{67} + 4 q^{69} + 40 q^{75} + 24 q^{79} - 44 q^{81} + 20 q^{83} + 8 q^{85} + 48 q^{93} + 48 q^{97} - 32 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{12} - 3x^{10} - 2x^{9} + 2x^{8} + 4x^{7} + 2x^{6} + 8x^{5} + 8x^{4} - 16x^{3} - 48x^{2} + 64 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{11} + 14 \nu^{10} + \nu^{9} - 20 \nu^{8} - 54 \nu^{7} + 16 \nu^{6} + 34 \nu^{5} + 36 \nu^{4} + \cdots - 608 ) / 128 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 3 \nu^{11} + 10 \nu^{10} + 3 \nu^{9} - 28 \nu^{8} - 34 \nu^{7} - 16 \nu^{6} - 26 \nu^{5} + 44 \nu^{4} + \cdots - 416 ) / 128 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 5 \nu^{11} + 6 \nu^{10} + 5 \nu^{9} - 4 \nu^{8} - 14 \nu^{7} - 16 \nu^{6} - 22 \nu^{5} - 12 \nu^{4} + \cdots + 32 ) / 128 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 11 \nu^{11} - 10 \nu^{10} + 21 \nu^{9} + 44 \nu^{8} + 18 \nu^{7} - 16 \nu^{6} + 10 \nu^{5} + \cdots + 416 ) / 128 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( - 5 \nu^{11} - 14 \nu^{10} + 3 \nu^{9} + 28 \nu^{8} + 38 \nu^{7} + 16 \nu^{6} + 6 \nu^{5} - 36 \nu^{4} + \cdots + 352 ) / 64 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( -\nu^{11} - \nu^{10} + 2\nu^{9} + 5\nu^{8} + 3\nu^{7} - 4\nu^{5} - 14\nu^{4} - 26\nu^{3} - 8\nu^{2} + 40\nu + 48 ) / 8 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 21 \nu^{11} + 54 \nu^{10} + 21 \nu^{9} - 52 \nu^{8} - 78 \nu^{7} - 112 \nu^{6} - 118 \nu^{5} + \cdots - 480 ) / 128 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - 23 \nu^{11} - 18 \nu^{10} + 41 \nu^{9} + 60 \nu^{8} + 58 \nu^{7} + 48 \nu^{6} - 14 \nu^{5} + \cdots + 544 ) / 128 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 23 \nu^{11} - 34 \nu^{10} + 41 \nu^{9} + 108 \nu^{8} + 90 \nu^{7} + 16 \nu^{6} - 78 \nu^{5} + \cdots + 1312 ) / 128 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 17 \nu^{11} - 22 \nu^{10} + 31 \nu^{9} + 76 \nu^{8} + 54 \nu^{7} - 34 \nu^{5} - 180 \nu^{4} + \cdots + 800 ) / 64 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 19 \nu^{11} + 18 \nu^{10} - 29 \nu^{9} - 68 \nu^{8} - 66 \nu^{7} - 16 \nu^{6} + 38 \nu^{5} + 220 \nu^{4} + \cdots - 736 ) / 64 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{10} - \beta_{6} - \beta_{5} - \beta_{4} - \beta_{2} - 1 ) / 4 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{10} - 2\beta_{9} + \beta_{6} + \beta_{5} - \beta_{4} + \beta_{2} + 3 ) / 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -2\beta_{11} + \beta_{10} - 2\beta_{8} - 3\beta_{6} + \beta_{5} - \beta_{4} + 2\beta_{3} + \beta_{2} + 2\beta _1 + 1 ) / 4 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( 2 \beta_{11} + \beta_{10} + 2 \beta_{9} + 2 \beta_{7} - \beta_{6} + 3 \beta_{5} - \beta_{4} - 8 \beta_{3} + \cdots + 5 ) / 4 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -2\beta_{11} + \beta_{10} - 2\beta_{9} - 7\beta_{6} + \beta_{5} + 5\beta_{4} + 6\beta_{3} - 5\beta_{2} + 2\beta _1 - 3 ) / 4 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 2 \beta_{11} - \beta_{10} + 2 \beta_{9} + 4 \beta_{8} + 3 \beta_{6} + 3 \beta_{5} - 9 \beta_{4} + \cdots + 11 ) / 4 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( - 6 \beta_{11} + \beta_{10} - 6 \beta_{9} + 4 \beta_{7} - 7 \beta_{6} + 9 \beta_{5} - 3 \beta_{4} + \cdots - 15 ) / 4 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( - 2 \beta_{11} - \beta_{10} + 2 \beta_{9} - 12 \beta_{8} + 4 \beta_{7} + 7 \beta_{6} + 15 \beta_{5} + \cdots - 9 ) / 4 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 2 \beta_{11} - 7 \beta_{10} + 14 \beta_{9} + 12 \beta_{8} + 4 \beta_{7} - 23 \beta_{6} + 17 \beta_{5} + \cdots - 23 ) / 4 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( - 2 \beta_{11} - 21 \beta_{10} + 10 \beta_{9} + 4 \beta_{8} + 16 \beta_{7} + 15 \beta_{6} - \beta_{5} + \cdots + 19 ) / 4 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 10 \beta_{11} - 7 \beta_{10} + 6 \beta_{9} + 12 \beta_{8} - 4 \beta_{7} - 7 \beta_{6} + 17 \beta_{5} + \cdots - 111 ) / 4 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/896\mathbb{Z}\right)^\times\).

\(n\) \(127\) \(129\) \(645\)
\(\chi(n)\) \(1\) \(1\) \(\beta_{3}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
225.1
1.35309 0.411286i
−0.605558 1.27801i
0.402577 + 1.35570i
−1.12465 + 0.857418i
1.37925 + 0.312504i
−1.40471 + 0.163666i
1.35309 + 0.411286i
−0.605558 + 1.27801i
0.402577 1.35570i
−1.12465 0.857418i
1.37925 0.312504i
−1.40471 0.163666i
0 −2.21570 + 2.21570i 0 0.393125 + 0.393125i 0 1.00000i 0 6.81864i 0
225.2 0 −1.39123 + 1.39123i 0 −2.16478 2.16478i 0 1.00000i 0 0.871066i 0
225.3 0 −0.631188 + 0.631188i 0 2.34259 + 2.34259i 0 1.00000i 0 2.20320i 0
225.4 0 −0.416854 + 0.416854i 0 1.13169 + 1.13169i 0 1.00000i 0 2.65247i 0
225.5 0 0.599978 0.599978i 0 −0.974969 0.974969i 0 1.00000i 0 2.28005i 0
225.6 0 2.05500 2.05500i 0 −2.72766 2.72766i 0 1.00000i 0 5.44602i 0
673.1 0 −2.21570 2.21570i 0 0.393125 0.393125i 0 1.00000i 0 6.81864i 0
673.2 0 −1.39123 1.39123i 0 −2.16478 + 2.16478i 0 1.00000i 0 0.871066i 0
673.3 0 −0.631188 0.631188i 0 2.34259 2.34259i 0 1.00000i 0 2.20320i 0
673.4 0 −0.416854 0.416854i 0 1.13169 1.13169i 0 1.00000i 0 2.65247i 0
673.5 0 0.599978 + 0.599978i 0 −0.974969 + 0.974969i 0 1.00000i 0 2.28005i 0
673.6 0 2.05500 + 2.05500i 0 −2.72766 + 2.72766i 0 1.00000i 0 5.44602i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 225.6
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
16.e even 4 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 896.2.m.g 12
4.b odd 2 1 896.2.m.h 12
8.b even 2 1 112.2.m.d 12
8.d odd 2 1 448.2.m.d 12
16.e even 4 1 112.2.m.d 12
16.e even 4 1 inner 896.2.m.g 12
16.f odd 4 1 448.2.m.d 12
16.f odd 4 1 896.2.m.h 12
32.g even 8 2 7168.2.a.bj 12
32.h odd 8 2 7168.2.a.bi 12
56.h odd 2 1 784.2.m.h 12
56.j odd 6 2 784.2.x.m 24
56.p even 6 2 784.2.x.l 24
112.l odd 4 1 784.2.m.h 12
112.w even 12 2 784.2.x.l 24
112.x odd 12 2 784.2.x.m 24
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
112.2.m.d 12 8.b even 2 1
112.2.m.d 12 16.e even 4 1
448.2.m.d 12 8.d odd 2 1
448.2.m.d 12 16.f odd 4 1
784.2.m.h 12 56.h odd 2 1
784.2.m.h 12 112.l odd 4 1
784.2.x.l 24 56.p even 6 2
784.2.x.l 24 112.w even 12 2
784.2.x.m 24 56.j odd 6 2
784.2.x.m 24 112.x odd 12 2
896.2.m.g 12 1.a even 1 1 trivial
896.2.m.g 12 16.e even 4 1 inner
896.2.m.h 12 4.b odd 2 1
896.2.m.h 12 16.f odd 4 1
7168.2.a.bi 12 32.h odd 8 2
7168.2.a.bj 12 32.g even 8 2

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(896, [\chi])\):

\( T_{3}^{12} + 4 T_{3}^{11} + 8 T_{3}^{10} + 4 T_{3}^{9} + 76 T_{3}^{8} + 288 T_{3}^{7} + 552 T_{3}^{6} + \cdots + 64 \) Copy content Toggle raw display
\( T_{11}^{12} - 32 T_{11}^{9} + 740 T_{11}^{8} - 896 T_{11}^{7} + 512 T_{11}^{6} - 896 T_{11}^{5} + \cdots + 541696 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{12} \) Copy content Toggle raw display
$3$ \( T^{12} + 4 T^{11} + \cdots + 64 \) Copy content Toggle raw display
$5$ \( T^{12} + 4 T^{11} + \cdots + 2304 \) Copy content Toggle raw display
$7$ \( (T^{2} + 1)^{6} \) Copy content Toggle raw display
$11$ \( T^{12} - 32 T^{9} + \cdots + 541696 \) Copy content Toggle raw display
$13$ \( T^{12} - 20 T^{9} + \cdots + 3211264 \) Copy content Toggle raw display
$17$ \( (T^{6} + 4 T^{5} - 44 T^{4} + \cdots - 96)^{2} \) Copy content Toggle raw display
$19$ \( T^{12} + 76 T^{9} + \cdots + 2849344 \) Copy content Toggle raw display
$23$ \( T^{12} + 136 T^{10} + \cdots + 10137856 \) Copy content Toggle raw display
$29$ \( T^{12} - 4 T^{11} + \cdots + 8620096 \) Copy content Toggle raw display
$31$ \( (T^{6} + 4 T^{5} - 16 T^{4} + \cdots + 64)^{2} \) Copy content Toggle raw display
$37$ \( T^{12} - 20 T^{11} + \cdots + 5053504 \) Copy content Toggle raw display
$41$ \( T^{12} + 120 T^{10} + \cdots + 25600 \) Copy content Toggle raw display
$43$ \( T^{12} + 16 T^{11} + \cdots + 23040000 \) Copy content Toggle raw display
$47$ \( (T^{6} - 8 T^{5} + \cdots + 19776)^{2} \) Copy content Toggle raw display
$53$ \( T^{12} + 4 T^{11} + \cdots + 78400 \) Copy content Toggle raw display
$59$ \( T^{12} + \cdots + 119596096 \) Copy content Toggle raw display
$61$ \( T^{12} - 20 T^{11} + \cdots + 256 \) Copy content Toggle raw display
$67$ \( T^{12} + 24 T^{11} + \cdots + 3686400 \) Copy content Toggle raw display
$71$ \( T^{12} + 432 T^{10} + \cdots + 6553600 \) Copy content Toggle raw display
$73$ \( T^{12} + \cdots + 3050573824 \) Copy content Toggle raw display
$79$ \( (T^{6} - 12 T^{5} + \cdots - 2240)^{2} \) Copy content Toggle raw display
$83$ \( T^{12} + \cdots + 320093429824 \) Copy content Toggle raw display
$89$ \( T^{12} + \cdots + 35476475904 \) Copy content Toggle raw display
$97$ \( (T^{6} - 24 T^{5} + \cdots - 39008)^{2} \) Copy content Toggle raw display
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