Properties

Label 896.2.t.a
Level $896$
Weight $2$
Character orbit 896.t
Analytic conductor $7.155$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $8$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [896,2,Mod(65,896)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(896, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 3, 2]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("896.65");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 896 = 2^{7} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 896.t (of order \(6\), degree \(2\), 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: \(16\)
Relative dimension: \(8\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\mathbb{Q}[x]/(x^{16} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 4 x^{15} + 4 x^{14} - 24 x^{13} + 104 x^{12} - 196 x^{11} + 312 x^{10} - 236 x^{9} + 31 x^{8} + \cdots + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 2^{6} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{15}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{10} q^{3} + ( - 2 \beta_{6} + \beta_{3}) q^{5} + (\beta_{15} + \beta_{13} + \beta_{5}) q^{7} + ( - \beta_{12} - \beta_{2}) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{10} q^{3} + ( - 2 \beta_{6} + \beta_{3}) q^{5} + (\beta_{15} + \beta_{13} + \beta_{5}) q^{7} + ( - \beta_{12} - \beta_{2}) q^{9} + ( - \beta_{14} - 2 \beta_{10}) q^{11} + ( - \beta_{11} - 2 \beta_{7} + \cdots + 2 \beta_{3}) q^{13}+ \cdots + ( - \beta_{14} - 3 \beta_{10} + \cdots + 3 \beta_{4}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q+O(q^{10}) \) Copy content Toggle raw display \( 16 q - 8 q^{17} + 32 q^{25} + 40 q^{33} - 64 q^{41} - 32 q^{49} - 48 q^{57} - 48 q^{65} + 24 q^{73} + 56 q^{81} + 40 q^{89} - 160 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 4 x^{15} + 4 x^{14} - 24 x^{13} + 104 x^{12} - 196 x^{11} + 312 x^{10} - 236 x^{9} + 31 x^{8} + \cdots + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 3898973 \nu^{15} - 17115576 \nu^{14} + 21290192 \nu^{13} - 97537769 \nu^{12} + 437864868 \nu^{11} + \cdots - 67550280 ) / 55881261 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 1882 \nu^{15} - 8264 \nu^{14} + 10280 \nu^{13} - 47068 \nu^{12} + 211436 \nu^{11} - 439319 \nu^{10} + \cdots + 12732 ) / 8037 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( - 13834008 \nu^{15} + 64112846 \nu^{14} - 93912434 \nu^{13} + 381979504 \nu^{12} + \cdots - 46147796 ) / 55881261 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 15919536 \nu^{15} + 74254123 \nu^{14} - 109689207 \nu^{13} + 440117880 \nu^{12} + \cdots - 53568309 ) / 55881261 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 18093492 \nu^{15} - 79447396 \nu^{14} + 98828257 \nu^{13} - 452520737 \nu^{12} + 2032659628 \nu^{11} + \cdots + 183016684 ) / 55881261 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 24578404 \nu^{15} + 112409521 \nu^{14} - 161766434 \nu^{13} + 676914588 \nu^{12} + \cdots - 80530744 ) / 55881261 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 41399790 \nu^{15} - 174606650 \nu^{14} + 204752252 \nu^{13} - 1042462561 \nu^{12} + \cdots + 127576424 ) / 55881261 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 16331260 \nu^{15} - 74991976 \nu^{14} + 108507436 \nu^{13} - 450127912 \nu^{12} + 1954868524 \nu^{11} + \cdots + 53802093 ) / 18627087 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 16361188 \nu^{15} - 72139004 \nu^{14} + 94401360 \nu^{13} - 428892200 \nu^{12} + 1874038268 \nu^{11} + \cdots + 51319535 ) / 18627087 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 52321296 \nu^{15} - 220783753 \nu^{14} + 259359264 \nu^{13} - 1318143672 \nu^{12} + \cdots + 164345664 ) / 55881261 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 57962620 \nu^{15} + 244034719 \nu^{14} - 284439440 \nu^{13} + 1456967568 \nu^{12} + \cdots - 168001120 ) / 55881261 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 63542546 \nu^{15} - 274353511 \nu^{14} + 341089720 \nu^{13} - 1633918160 \nu^{12} + \cdots + 146658816 ) / 55881261 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 63563905 \nu^{15} + 281986149 \nu^{14} - 374337712 \nu^{13} + 1675704013 \nu^{12} + \cdots - 121136064 ) / 55881261 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( - 41682527 \nu^{15} + 175603960 \nu^{14} - 205133396 \nu^{13} + 1048417004 \nu^{12} + \cdots - 123561984 ) / 18627087 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 141101244 \nu^{15} - 614100430 \nu^{14} + 778827436 \nu^{13} - 3654890939 \nu^{12} + \cdots + 309173416 ) / 55881261 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{13} + \beta_{9} + \beta_{8} + \beta_{6} + \beta_{3} + \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( 2\beta_{15} + 2\beta_{14} - 3\beta_{12} - 3\beta_{11} - 2\beta_{9} + 2\beta_{7} + 2 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( - 2 \beta_{14} + 2 \beta_{11} + 3 \beta_{10} + 2 \beta_{8} - 7 \beta_{7} + 2 \beta_{6} - 7 \beta_{5} + \cdots + 11 ) / 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 10\beta_{8} + 12\beta_{6} - 6\beta_{4} + 21\beta_{3} \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 59 \beta_{15} + 22 \beta_{14} - 22 \beta_{13} - 75 \beta_{12} - 26 \beta_{11} - 15 \beta_{10} + \cdots + 101 ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( - 134 \beta_{14} + 171 \beta_{11} + 48 \beta_{10} + 134 \beta_{8} - 226 \beta_{7} + 171 \beta_{6} + \cdots + 226 ) / 2 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 204 \beta_{15} - 101 \beta_{13} - 252 \beta_{12} - 391 \beta_{9} + 509 \beta_{8} + 643 \beta_{6} + \cdots - 101 \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( 804\beta_{15} - 348\beta_{13} - 1008\beta_{12} - 1457\beta_{9} + 1457 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( - 4421 \beta_{14} + 5573 \beta_{11} + 1812 \beta_{10} + 4421 \beta_{8} - 7841 \beta_{7} + 5573 \beta_{6} + \cdots + 3305 ) / 2 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 9994 \beta_{15} - 4080 \beta_{13} - 12603 \beta_{12} - 17698 \beta_{9} + 9994 \beta_{8} + \cdots - 4080 \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 38483 \beta_{15} - 15886 \beta_{14} - 15886 \beta_{13} - 48477 \beta_{12} + 19966 \beta_{11} + \cdots + 68443 ) / 2 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( - 61406 \beta_{14} + 77292 \beta_{11} + 25554 \beta_{10} + 61406 \beta_{8} - 109557 \beta_{7} + \cdots + 109557 \beta_{3} \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( 335215 \beta_{15} - 138698 \beta_{13} - 422175 \beta_{12} - 596725 \beta_{9} + 138698 \beta_{8} + \cdots - 138698 \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 757390 \beta_{15} - 757390 \beta_{14} - 313248 \beta_{13} - 953907 \beta_{12} + 953907 \beta_{11} + \cdots + 1348034 ) / 2 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( - 2920633 \beta_{14} + 3678023 \beta_{11} + 1209336 \beta_{10} + 2920633 \beta_{8} - 5200607 \beta_{7} + \cdots - 2155439 ) / 2 \) Copy content Toggle raw display

Character values

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

\(n\) \(127\) \(129\) \(645\)
\(\chi(n)\) \(1\) \(-\beta_{9}\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
65.1
1.33145 1.02165i
−0.0777751 + 0.590761i
−0.335868 0.0442178i
−1.79700 2.34189i
2.92664 + 0.385299i
0.206228 + 0.268761i
−0.472726 + 0.362736i
0.219056 1.66389i
1.33145 + 1.02165i
−0.0777751 0.590761i
−0.335868 + 0.0442178i
−1.79700 + 2.34189i
2.92664 0.385299i
0.206228 0.268761i
−0.472726 0.362736i
0.219056 + 1.66389i
0 −1.81952 + 1.05050i 0 −3.31552 1.91421i 0 −0.615370 2.57319i 0 0.707107 1.22474i 0
65.2 0 −1.81952 + 1.05050i 0 3.31552 + 1.91421i 0 0.615370 + 2.57319i 0 0.707107 1.22474i 0
65.3 0 −1.09057 + 0.629640i 0 −1.58346 0.914214i 0 2.14973 1.54230i 0 −0.707107 + 1.22474i 0
65.4 0 −1.09057 + 0.629640i 0 1.58346 + 0.914214i 0 −2.14973 + 1.54230i 0 −0.707107 + 1.22474i 0
65.5 0 1.09057 0.629640i 0 −1.58346 0.914214i 0 −2.14973 + 1.54230i 0 −0.707107 + 1.22474i 0
65.6 0 1.09057 0.629640i 0 1.58346 + 0.914214i 0 2.14973 1.54230i 0 −0.707107 + 1.22474i 0
65.7 0 1.81952 1.05050i 0 −3.31552 1.91421i 0 0.615370 + 2.57319i 0 0.707107 1.22474i 0
65.8 0 1.81952 1.05050i 0 3.31552 + 1.91421i 0 −0.615370 2.57319i 0 0.707107 1.22474i 0
193.1 0 −1.81952 1.05050i 0 −3.31552 + 1.91421i 0 −0.615370 + 2.57319i 0 0.707107 + 1.22474i 0
193.2 0 −1.81952 1.05050i 0 3.31552 1.91421i 0 0.615370 2.57319i 0 0.707107 + 1.22474i 0
193.3 0 −1.09057 0.629640i 0 −1.58346 + 0.914214i 0 2.14973 + 1.54230i 0 −0.707107 1.22474i 0
193.4 0 −1.09057 0.629640i 0 1.58346 0.914214i 0 −2.14973 1.54230i 0 −0.707107 1.22474i 0
193.5 0 1.09057 + 0.629640i 0 −1.58346 + 0.914214i 0 −2.14973 1.54230i 0 −0.707107 1.22474i 0
193.6 0 1.09057 + 0.629640i 0 1.58346 0.914214i 0 2.14973 + 1.54230i 0 −0.707107 1.22474i 0
193.7 0 1.81952 + 1.05050i 0 −3.31552 + 1.91421i 0 0.615370 2.57319i 0 0.707107 + 1.22474i 0
193.8 0 1.81952 + 1.05050i 0 3.31552 1.91421i 0 −0.615370 + 2.57319i 0 0.707107 + 1.22474i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 65.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 inner
7.c even 3 1 inner
8.b even 2 1 inner
8.d odd 2 1 inner
28.g odd 6 1 inner
56.k odd 6 1 inner
56.p even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 896.2.t.a 16
4.b odd 2 1 inner 896.2.t.a 16
7.c even 3 1 inner 896.2.t.a 16
8.b even 2 1 inner 896.2.t.a 16
8.d odd 2 1 inner 896.2.t.a 16
28.g odd 6 1 inner 896.2.t.a 16
56.k odd 6 1 inner 896.2.t.a 16
56.p even 6 1 inner 896.2.t.a 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
896.2.t.a 16 1.a even 1 1 trivial
896.2.t.a 16 4.b odd 2 1 inner
896.2.t.a 16 7.c even 3 1 inner
896.2.t.a 16 8.b even 2 1 inner
896.2.t.a 16 8.d odd 2 1 inner
896.2.t.a 16 28.g odd 6 1 inner
896.2.t.a 16 56.k odd 6 1 inner
896.2.t.a 16 56.p even 6 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{8} - 6T_{3}^{6} + 29T_{3}^{4} - 42T_{3}^{2} + 49 \) acting on \(S_{2}^{\mathrm{new}}(896, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( (T^{8} - 6 T^{6} + 29 T^{4} + \cdots + 49)^{2} \) Copy content Toggle raw display
$5$ \( (T^{8} - 18 T^{6} + \cdots + 2401)^{2} \) Copy content Toggle raw display
$7$ \( (T^{8} + 8 T^{6} + \cdots + 2401)^{2} \) Copy content Toggle raw display
$11$ \( (T^{8} - 26 T^{6} + \cdots + 49)^{2} \) Copy content Toggle raw display
$13$ \( (T^{4} + 12 T^{2} + 4)^{4} \) Copy content Toggle raw display
$17$ \( (T^{4} + 2 T^{3} + \cdots + 289)^{4} \) Copy content Toggle raw display
$19$ \( (T^{8} - 90 T^{6} + \cdots + 4092529)^{2} \) Copy content Toggle raw display
$23$ \( (T^{8} + 42 T^{6} + \cdots + 117649)^{2} \) Copy content Toggle raw display
$29$ \( (T^{2} + 2)^{8} \) Copy content Toggle raw display
$31$ \( (T^{8} + 54 T^{6} + \cdots + 321489)^{2} \) Copy content Toggle raw display
$37$ \( (T^{8} - 6 T^{6} + 35 T^{4} + \cdots + 1)^{2} \) Copy content Toggle raw display
$41$ \( (T^{2} + 8 T - 2)^{8} \) Copy content Toggle raw display
$43$ \( (T^{4} + 40 T^{2} + 112)^{4} \) Copy content Toggle raw display
$47$ \( (T^{8} + 54 T^{6} + \cdots + 49)^{2} \) Copy content Toggle raw display
$53$ \( (T^{8} - 214 T^{6} + \cdots + 62742241)^{2} \) Copy content Toggle raw display
$59$ \( (T^{8} - 54 T^{6} + \cdots + 49)^{2} \) Copy content Toggle raw display
$61$ \( (T^{8} - 102 T^{6} + \cdots + 4879681)^{2} \) Copy content Toggle raw display
$67$ \( (T^{8} - 262 T^{6} + \cdots + 4092529)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} - 24 T^{2} + 112)^{4} \) Copy content Toggle raw display
$73$ \( (T^{4} - 6 T^{3} + \cdots + 529)^{4} \) Copy content Toggle raw display
$79$ \( (T^{8} + 234 T^{6} + \cdots + 45252529)^{2} \) Copy content Toggle raw display
$83$ \( (T^{4} + 48 T^{2} + 448)^{4} \) Copy content Toggle raw display
$89$ \( (T^{2} - 5 T + 25)^{8} \) Copy content Toggle raw display
$97$ \( (T^{2} + 20 T + 98)^{8} \) Copy content Toggle raw display
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