Properties

Label 9216.2.a.bt
Level $9216$
Weight $2$
Character orbit 9216.a
Self dual yes
Analytic conductor $73.590$
Analytic rank $0$
Dimension $8$
CM no
Inner twists $4$

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Newspace parameters

Level: \( N \) \(=\) \( 9216 = 2^{10} \cdot 3^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 9216.a (trivial)

Newform invariants

Self dual: yes
Analytic conductor: \(73.5901305028\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: 8.8.10070523904.1
Defining polynomial: \(x^{8} - 4 x^{7} - 8 x^{6} + 24 x^{5} + 30 x^{4} - 16 x^{3} - 20 x^{2} + 2\)
Coefficient ring: \(\Z[a_1, \ldots, a_{17}]\)
Coefficient ring index: \( 2^{6} \)
Twist minimal: no (minimal twist has level 144)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{7}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q -\beta_{5} q^{5} + ( 1 - \beta_{6} ) q^{7} +O(q^{10})\) \( q -\beta_{5} q^{5} + ( 1 - \beta_{6} ) q^{7} + ( -\beta_{2} - \beta_{5} ) q^{11} + \beta_{1} q^{13} -\beta_{7} q^{17} + ( \beta_{1} - \beta_{3} ) q^{19} + ( \beta_{4} - \beta_{7} ) q^{23} + ( 1 - 2 \beta_{6} ) q^{25} + ( -2 \beta_{2} - \beta_{5} ) q^{29} + ( 3 + \beta_{6} ) q^{31} + ( \beta_{2} - 3 \beta_{5} ) q^{35} + ( -\beta_{1} - 2 \beta_{3} ) q^{37} + ( 2 \beta_{4} + \beta_{7} ) q^{41} + ( \beta_{1} + 3 \beta_{3} ) q^{43} + ( -3 \beta_{4} - \beta_{7} ) q^{47} + ( 1 - 2 \beta_{6} ) q^{49} + ( -2 \beta_{2} + \beta_{5} ) q^{53} + 4 q^{55} + ( 2 \beta_{2} - 2 \beta_{5} ) q^{59} + ( \beta_{1} + 2 \beta_{3} ) q^{61} + ( -2 \beta_{4} + \beta_{7} ) q^{65} -4 \beta_{3} q^{67} + ( 2 \beta_{4} + 2 \beta_{7} ) q^{71} + ( 2 - 2 \beta_{6} ) q^{73} + 2 \beta_{2} q^{77} + ( 7 + \beta_{6} ) q^{79} + ( -\beta_{2} - \beta_{5} ) q^{83} + ( -2 \beta_{1} - 2 \beta_{3} ) q^{85} -2 \beta_{4} q^{89} + ( \beta_{1} + 7 \beta_{3} ) q^{91} + ( -\beta_{4} + \beta_{7} ) q^{95} -4 \beta_{6} q^{97} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8q + 8q^{7} + O(q^{10}) \) \( 8q + 8q^{7} + 8q^{25} + 24q^{31} + 8q^{49} + 32q^{55} + 16q^{73} + 56q^{79} + O(q^{100}) \)

Basis of coefficient ring in terms of a root \(\nu\) of \(x^{8} - 4 x^{7} - 8 x^{6} + 24 x^{5} + 30 x^{4} - 16 x^{3} - 20 x^{2} + 2\):

\(\beta_{0}\)\(=\)\( 1 \)
\(\beta_{1}\)\(=\)\((\)\( -2 \nu^{7} + 9 \nu^{6} + 10 \nu^{5} - 47 \nu^{4} - 26 \nu^{3} + 12 \nu^{2} + 4 \nu + 10 \)\()/3\)
\(\beta_{2}\)\(=\)\((\)\( -12 \nu^{7} + 55 \nu^{6} + 64 \nu^{5} - 326 \nu^{4} - 168 \nu^{3} + 292 \nu^{2} + 58 \nu - 44 \)\()/3\)
\(\beta_{3}\)\(=\)\((\)\( 20 \nu^{7} - 91 \nu^{6} - 110 \nu^{5} + 541 \nu^{4} + 302 \nu^{3} - 490 \nu^{2} - 128 \nu + 76 \)\()/3\)
\(\beta_{4}\)\(=\)\((\)\( -26 \nu^{7} + 116 \nu^{6} + 154 \nu^{5} - 694 \nu^{4} - 452 \nu^{3} + 614 \nu^{2} + 208 \nu - 88 \)\()/3\)
\(\beta_{5}\)\(=\)\((\)\( -32 \nu^{7} + 145 \nu^{6} + 178 \nu^{5} - 858 \nu^{4} - 500 \nu^{3} + 754 \nu^{2} + 226 \nu - 108 \)\()/3\)
\(\beta_{6}\)\(=\)\((\)\( -38 \nu^{7} + 174 \nu^{6} + 204 \nu^{5} - 1033 \nu^{4} - 548 \nu^{3} + 942 \nu^{2} + 240 \nu - 145 \)\()/3\)
\(\beta_{7}\)\(=\)\((\)\( 62 \nu^{7} - 282 \nu^{6} - 342 \nu^{5} + 1678 \nu^{4} + 944 \nu^{3} - 1518 \nu^{2} - 420 \nu + 220 \)\()/3\)
\(1\)\(=\)\(\beta_0\)
\(\nu\)\(=\)\((\)\(\beta_{7} + 2 \beta_{6} + \beta_{4} + 2 \beta_{3} + 2\)\()/4\)
\(\nu^{2}\)\(=\)\((\)\(2 \beta_{7} + 2 \beta_{6} + \beta_{5} + \beta_{4} + \beta_{3} + \beta_{2} - \beta_{1} + 8\)\()/2\)
\(\nu^{3}\)\(=\)\((\)\(15 \beta_{7} + 20 \beta_{6} + 6 \beta_{5} + 11 \beta_{4} + 22 \beta_{3} + 12 \beta_{2} - 6 \beta_{1} + 44\)\()/4\)
\(\nu^{4}\)\(=\)\(15 \beta_{7} + 17 \beta_{6} + 10 \beta_{5} + 9 \beta_{4} + 21 \beta_{3} + 14 \beta_{2} - 9 \beta_{1} + 49\)
\(\nu^{5}\)\(=\)\((\)\(118 \beta_{7} + 144 \beta_{6} + 80 \beta_{5} + 79 \beta_{4} + 209 \beta_{3} + 130 \beta_{2} - 75 \beta_{1} + 366\)\()/2\)
\(\nu^{6}\)\(=\)\((\)\(481 \beta_{7} + 566 \beta_{6} + 376 \beta_{5} + 305 \beta_{4} + 890 \beta_{3} + 570 \beta_{2} - 344 \beta_{1} + 1526\)\()/2\)
\(\nu^{7}\)\(=\)\((\)\(1965 \beta_{7} + 2352 \beta_{6} + 1589 \beta_{5} + 1280 \beta_{4} + 3928 \beta_{3} + 2485 \beta_{2} - 1470 \beta_{1} + 6168\)\()/2\)

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.

Label \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
−1.95084
0.305093
4.21012
−0.564373
0.849841
2.79591
−1.10912
−0.536630
0 0 0 −3.36028 0 3.64575 0 0 0
1.2 0 0 0 −3.36028 0 3.64575 0 0 0
1.3 0 0 0 −0.841723 0 −1.64575 0 0 0
1.4 0 0 0 −0.841723 0 −1.64575 0 0 0
1.5 0 0 0 0.841723 0 −1.64575 0 0 0
1.6 0 0 0 0.841723 0 −1.64575 0 0 0
1.7 0 0 0 3.36028 0 3.64575 0 0 0
1.8 0 0 0 3.36028 0 3.64575 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1.8
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(-1\)
\(3\) \(1\)

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
8.b even 2 1 inner
24.h odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 9216.2.a.bt 8
3.b odd 2 1 inner 9216.2.a.bt 8
4.b odd 2 1 9216.2.a.bq 8
8.b even 2 1 inner 9216.2.a.bt 8
8.d odd 2 1 9216.2.a.bq 8
12.b even 2 1 9216.2.a.bq 8
24.f even 2 1 9216.2.a.bq 8
24.h odd 2 1 inner 9216.2.a.bt 8
32.g even 8 2 576.2.k.c 8
32.g even 8 2 1152.2.k.d 8
32.h odd 8 2 144.2.k.c 8
32.h odd 8 2 1152.2.k.e 8
96.o even 8 2 144.2.k.c 8
96.o even 8 2 1152.2.k.e 8
96.p odd 8 2 576.2.k.c 8
96.p odd 8 2 1152.2.k.d 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
144.2.k.c 8 32.h odd 8 2
144.2.k.c 8 96.o even 8 2
576.2.k.c 8 32.g even 8 2
576.2.k.c 8 96.p odd 8 2
1152.2.k.d 8 32.g even 8 2
1152.2.k.d 8 96.p odd 8 2
1152.2.k.e 8 32.h odd 8 2
1152.2.k.e 8 96.o even 8 2
9216.2.a.bq 8 4.b odd 2 1
9216.2.a.bq 8 8.d odd 2 1
9216.2.a.bq 8 12.b even 2 1
9216.2.a.bq 8 24.f even 2 1
9216.2.a.bt 8 1.a even 1 1 trivial
9216.2.a.bt 8 3.b odd 2 1 inner
9216.2.a.bt 8 8.b even 2 1 inner
9216.2.a.bt 8 24.h odd 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(9216))\):

\( T_{5}^{4} - 12 T_{5}^{2} + 8 \)
\( T_{7}^{2} - 2 T_{7} - 6 \)
\( T_{11}^{4} - 24 T_{11}^{2} + 32 \)
\( T_{13}^{2} - 14 \)
\( T_{17}^{4} - 40 T_{17}^{2} + 288 \)
\( T_{19}^{4} - 32 T_{19}^{2} + 144 \)
\( T_{67}^{2} - 32 \)

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} \)
$3$ \( T^{8} \)
$5$ \( ( 8 - 12 T^{2} + T^{4} )^{2} \)
$7$ \( ( -6 - 2 T + T^{2} )^{4} \)
$11$ \( ( 32 - 24 T^{2} + T^{4} )^{2} \)
$13$ \( ( -14 + T^{2} )^{4} \)
$17$ \( ( 288 - 40 T^{2} + T^{4} )^{2} \)
$19$ \( ( 144 - 32 T^{2} + T^{4} )^{2} \)
$23$ \( ( 1152 - 80 T^{2} + T^{4} )^{2} \)
$29$ \( ( 72 - 76 T^{2} + T^{4} )^{2} \)
$31$ \( ( 2 - 6 T + T^{2} )^{4} \)
$37$ \( ( 36 - 44 T^{2} + T^{4} )^{2} \)
$41$ \( ( 2592 - 104 T^{2} + T^{4} )^{2} \)
$43$ \( ( 16 - 64 T^{2} + T^{4} )^{2} \)
$47$ \( ( 10368 - 208 T^{2} + T^{4} )^{2} \)
$53$ \( ( 2888 - 108 T^{2} + T^{4} )^{2} \)
$59$ \( ( 4608 - 160 T^{2} + T^{4} )^{2} \)
$61$ \( ( 36 - 44 T^{2} + T^{4} )^{2} \)
$67$ \( ( -32 + T^{2} )^{4} \)
$71$ \( ( 2048 - 192 T^{2} + T^{4} )^{2} \)
$73$ \( ( -24 - 4 T + T^{2} )^{4} \)
$79$ \( ( 42 - 14 T + T^{2} )^{4} \)
$83$ \( ( 32 - 24 T^{2} + T^{4} )^{2} \)
$89$ \( ( 512 - 96 T^{2} + T^{4} )^{2} \)
$97$ \( ( -112 + T^{2} )^{4} \)
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