Properties

Label 896.2.q.c
Level $896$
Weight $2$
Character orbit 896.q
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(703,896)]
 
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([3, 3, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("896.703");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 896 = 2^{7} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 896.q (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: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{6}\cdot 3^{4} \)
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.

\(f(q)\) \(=\) \( q + \beta_{5} q^{3} + \beta_{9} q^{5} - \beta_{14} q^{7} + (\beta_{13} + 2 \beta_{7} + 2 \beta_{6}) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{5} q^{3} + \beta_{9} q^{5} - \beta_{14} q^{7} + (\beta_{13} + 2 \beta_{7} + 2 \beta_{6}) q^{9} + (\beta_{12} - \beta_{3}) q^{11} + (\beta_{8} - 2 \beta_{2} - \beta_1) q^{13} + (\beta_{14} + \beta_{11} + \cdots + \beta_{4}) q^{15}+ \cdots + ( - 3 \beta_{15} - 3 \beta_{5} + \beta_{3}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q + 16 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 16 q^{9} + 24 q^{17} + 16 q^{25} - 24 q^{33} - 32 q^{49} - 48 q^{57} - 48 q^{65} - 120 q^{73} - 56 q^{81} + 24 q^{89}+O(q^{100}) \) 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

\(\beta_{1}\)\(=\) \( ( - 24578404 \nu^{15} + 112409521 \nu^{14} - 161766434 \nu^{13} + 676914588 \nu^{12} + \cdots - 80530744 ) / 55881261 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 478 \nu^{15} - 1916 \nu^{14} + 1922 \nu^{13} - 11453 \nu^{12} + 49716 \nu^{11} - 93806 \nu^{10} + \cdots + 1412 ) / 969 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( - 713760 \nu^{15} + 2873130 \nu^{14} - 2934707 \nu^{13} + 17216192 \nu^{12} - 74582450 \nu^{11} + \cdots - 2172105 ) / 1095711 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 41571440 \nu^{15} - 185423177 \nu^{14} + 254219263 \nu^{13} - 1125645507 \nu^{12} + \cdots + 5669660 ) / 55881261 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 16331260 \nu^{15} - 74991976 \nu^{14} + 108507436 \nu^{13} - 450127912 \nu^{12} + 1954868524 \nu^{11} + \cdots + 53802093 ) / 18627087 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 16361188 \nu^{15} + 72139004 \nu^{14} - 94401360 \nu^{13} + 428892200 \nu^{12} + \cdots - 32692448 ) / 18627087 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 16819000 \nu^{15} + 72297973 \nu^{14} - 89870960 \nu^{13} + 435551452 \nu^{12} + \cdots - 19377740 ) / 18627087 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - 57962620 \nu^{15} + 244034719 \nu^{14} - 284439440 \nu^{13} + 1456967568 \nu^{12} + \cdots - 168001120 ) / 55881261 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 23022602 \nu^{15} + 100944114 \nu^{14} - 130859040 \nu^{13} + 602140523 \nu^{12} + \cdots - 73290672 ) / 18627087 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 81436312 \nu^{15} - 349229857 \nu^{14} + 425779916 \nu^{13} - 2076724695 \nu^{12} + \cdots + 120487072 ) / 55881261 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 81657397 \nu^{15} - 361433545 \nu^{14} + 473165969 \nu^{13} - 2128224750 \nu^{12} + \cdots + 304152748 ) / 55881261 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 28053456 \nu^{15} - 123097333 \nu^{14} + 159579226 \nu^{13} - 732793144 \nu^{12} + \cdots + 90494094 ) / 18627087 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 29904546 \nu^{15} + 129757565 \nu^{14} - 161347800 \nu^{13} + 762815256 \nu^{12} + \cdots - 107903336 ) / 18627087 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 95630831 \nu^{15} - 411561677 \nu^{14} + 503317981 \nu^{13} - 2431707663 \nu^{12} + \cdots + 371054036 ) / 55881261 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( - 41682527 \nu^{15} + 175603960 \nu^{14} - 205133396 \nu^{13} + 1048417004 \nu^{12} + \cdots - 123561984 ) / 18627087 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{14} - \beta_{11} + \beta_{10} + \beta_{9} - 3\beta_{6} + 3\beta_{5} - 2\beta_{4} + \beta_{2} + 3\beta _1 + 3 ) / 6 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( 6 \beta_{15} + 2 \beta_{14} + 3 \beta_{13} + 2 \beta_{11} + 4 \beta_{10} - 2 \beta_{9} + \cdots + 4 \beta_{2} ) / 6 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( - 6 \beta_{15} - 11 \beta_{14} - 9 \beta_{13} + 6 \beta_{12} - 5 \beta_{11} + 11 \beta_{10} + 14 \beta_{9} + \cdots + 33 ) / 6 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 2\beta_{12} + 7\beta_{9} + 10\beta_{5} + 2\beta_{3} + 7\beta_{2} + 12\beta_1 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 66 \beta_{15} + 37 \beta_{14} + 75 \beta_{13} - 15 \beta_{12} + 103 \beta_{11} + 140 \beta_{10} + \cdots + 98 \beta_{2} ) / 6 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( - 402 \beta_{15} - 230 \beta_{14} - 171 \beta_{13} + 96 \beta_{12} - 86 \beta_{11} + 230 \beta_{10} + \cdots + 678 ) / 6 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 509 \beta_{14} + 504 \beta_{13} + 204 \beta_{12} + 509 \beta_{11} + 103 \beta_{10} + 895 \beta_{9} + \cdots - 1173 ) / 6 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( 152\beta_{14} + 336\beta_{13} + 500\beta_{11} + 652\beta_{10} + 672\beta_{7} + 1457\beta_{6} + 652\beta_{4} \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( - 13263 \beta_{15} - 3406 \beta_{14} - 2268 \beta_{13} + 3624 \beta_{12} - 1015 \beta_{11} + \cdots + 9915 ) / 6 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 24068 \beta_{14} + 25206 \beta_{13} + 4080 \beta_{12} + 24068 \beta_{11} + 5914 \beta_{10} + \cdots - 53094 ) / 6 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( - 47658 \beta_{15} + 22597 \beta_{14} + 48477 \beta_{13} + 6711 \beta_{12} + 70255 \beta_{11} + \cdots - 57022 \beta_{2} ) / 6 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( - 61406 \beta_{15} + 17036 \beta_{12} + 73038 \beta_{9} + 77292 \beta_{8} + 61406 \beta_{5} + \cdots + 77292 \beta_1 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( 809128 \beta_{14} + 844350 \beta_{13} + 57819 \beta_{12} + 809128 \beta_{11} + 196517 \beta_{10} + \cdots - 1790175 ) / 6 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( - 2272170 \beta_{15} + 444142 \beta_{14} + 953907 \beta_{13} + 313248 \beta_{12} + \cdots - 2696068 \beta_{2} ) / 6 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( - 8761899 \beta_{15} + 2213258 \beta_{14} + 1522584 \beta_{13} + 2418672 \beta_{12} + 707375 \beta_{11} + \cdots - 6466317 ) / 6 \) Copy content Toggle raw display

Character values

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

\(n\) \(127\) \(129\) \(645\)
\(\chi(n)\) \(-1\) \(\beta_{6}\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
703.1
−1.79700 2.34189i
−0.335868 0.0442178i
−0.472726 + 0.362736i
0.219056 1.66389i
1.33145 1.02165i
−0.0777751 + 0.590761i
0.206228 + 0.268761i
2.92664 + 0.385299i
−1.79700 + 2.34189i
−0.335868 + 0.0442178i
−0.472726 0.362736i
0.219056 + 1.66389i
1.33145 + 1.02165i
−0.0777751 0.590761i
0.206228 0.268761i
2.92664 0.385299i
0 −2.63287 1.52009i 0 −0.866025 1.50000i 0 2.14973 1.54230i 0 3.12132 + 5.40629i 0
703.2 0 −2.63287 1.52009i 0 0.866025 + 1.50000i 0 −2.14973 + 1.54230i 0 3.12132 + 5.40629i 0
703.3 0 −0.753671 0.435132i 0 −0.866025 1.50000i 0 −0.615370 2.57319i 0 −1.12132 1.94218i 0
703.4 0 −0.753671 0.435132i 0 0.866025 + 1.50000i 0 0.615370 + 2.57319i 0 −1.12132 1.94218i 0
703.5 0 0.753671 + 0.435132i 0 −0.866025 1.50000i 0 0.615370 + 2.57319i 0 −1.12132 1.94218i 0
703.6 0 0.753671 + 0.435132i 0 0.866025 + 1.50000i 0 −0.615370 2.57319i 0 −1.12132 1.94218i 0
703.7 0 2.63287 + 1.52009i 0 −0.866025 1.50000i 0 −2.14973 + 1.54230i 0 3.12132 + 5.40629i 0
703.8 0 2.63287 + 1.52009i 0 0.866025 + 1.50000i 0 2.14973 1.54230i 0 3.12132 + 5.40629i 0
831.1 0 −2.63287 + 1.52009i 0 −0.866025 + 1.50000i 0 2.14973 + 1.54230i 0 3.12132 5.40629i 0
831.2 0 −2.63287 + 1.52009i 0 0.866025 1.50000i 0 −2.14973 1.54230i 0 3.12132 5.40629i 0
831.3 0 −0.753671 + 0.435132i 0 −0.866025 + 1.50000i 0 −0.615370 + 2.57319i 0 −1.12132 + 1.94218i 0
831.4 0 −0.753671 + 0.435132i 0 0.866025 1.50000i 0 0.615370 2.57319i 0 −1.12132 + 1.94218i 0
831.5 0 0.753671 0.435132i 0 −0.866025 + 1.50000i 0 0.615370 2.57319i 0 −1.12132 + 1.94218i 0
831.6 0 0.753671 0.435132i 0 0.866025 1.50000i 0 −0.615370 + 2.57319i 0 −1.12132 + 1.94218i 0
831.7 0 2.63287 1.52009i 0 −0.866025 + 1.50000i 0 −2.14973 1.54230i 0 3.12132 5.40629i 0
831.8 0 2.63287 1.52009i 0 0.866025 1.50000i 0 2.14973 + 1.54230i 0 3.12132 5.40629i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 703.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 inner
7.d odd 6 1 inner
8.b even 2 1 inner
8.d odd 2 1 inner
28.f even 6 1 inner
56.j odd 6 1 inner
56.m 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.q.c 16
4.b odd 2 1 inner 896.2.q.c 16
7.d odd 6 1 inner 896.2.q.c 16
8.b even 2 1 inner 896.2.q.c 16
8.d odd 2 1 inner 896.2.q.c 16
28.f even 6 1 inner 896.2.q.c 16
56.j odd 6 1 inner 896.2.q.c 16
56.m even 6 1 inner 896.2.q.c 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
896.2.q.c 16 1.a even 1 1 trivial
896.2.q.c 16 4.b odd 2 1 inner
896.2.q.c 16 7.d odd 6 1 inner
896.2.q.c 16 8.b even 2 1 inner
896.2.q.c 16 8.d odd 2 1 inner
896.2.q.c 16 28.f even 6 1 inner
896.2.q.c 16 56.j odd 6 1 inner
896.2.q.c 16 56.m even 6 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{8} - 10T_{3}^{6} + 93T_{3}^{4} - 70T_{3}^{2} + 49 \) 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
$3$ \( (T^{8} - 10 T^{6} + \cdots + 49)^{2} \) Copy content Toggle raw display
$5$ \( (T^{4} + 3 T^{2} + 9)^{4} \) Copy content Toggle raw display
$7$ \( (T^{8} + 8 T^{6} + \cdots + 2401)^{2} \) Copy content Toggle raw display
$11$ \( (T^{8} + 18 T^{6} + \cdots + 3969)^{2} \) Copy content Toggle raw display
$13$ \( (T^{4} - 36 T^{2} + 36)^{4} \) Copy content Toggle raw display
$17$ \( (T^{4} - 6 T^{3} + 9 T^{2} + \cdots + 9)^{4} \) Copy content Toggle raw display
$19$ \( (T^{8} - 54 T^{6} + \cdots + 321489)^{2} \) Copy content Toggle raw display
$23$ \( (T^{8} - 18 T^{6} + \cdots + 3969)^{2} \) Copy content Toggle raw display
$29$ \( (T^{4} + 76 T^{2} + 1156)^{4} \) Copy content Toggle raw display
$31$ \( (T^{8} + 122 T^{6} + \cdots + 13712209)^{2} \) Copy content Toggle raw display
$37$ \( (T^{8} - 54 T^{6} + \cdots + 6561)^{2} \) Copy content Toggle raw display
$41$ \( (T^{2} + 54)^{8} \) Copy content Toggle raw display
$43$ \( (T^{4} - 144 T^{2} + 4032)^{4} \) Copy content Toggle raw display
$47$ \( (T^{8} + 90 T^{6} + \cdots + 321489)^{2} \) Copy content Toggle raw display
$53$ \( (T^{8} - 22 T^{6} + \cdots + 2401)^{2} \) Copy content Toggle raw display
$59$ \( (T^{8} - 10 T^{6} + \cdots + 49)^{2} \) Copy content Toggle raw display
$61$ \( (T^{8} + 162 T^{6} + \cdots + 531441)^{2} \) Copy content Toggle raw display
$67$ \( (T^{8} + 126 T^{6} + \cdots + 9529569)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} + 288 T^{2} + 16128)^{4} \) Copy content Toggle raw display
$73$ \( (T^{4} + 30 T^{3} + \cdots + 2601)^{4} \) Copy content Toggle raw display
$79$ \( (T^{8} - 114 T^{6} + \cdots + 9529569)^{2} \) Copy content Toggle raw display
$83$ \( (T^{4} + 160 T^{2} + 1792)^{4} \) Copy content Toggle raw display
$89$ \( (T^{4} - 6 T^{3} + \cdots + 8649)^{4} \) Copy content Toggle raw display
$97$ \( (T^{4} + 36 T^{2} + 36)^{4} \) Copy content Toggle raw display
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