Properties

Label 288.8.d.b
Level $288$
Weight $8$
Character orbit 288.d
Analytic conductor $89.967$
Analytic rank $0$
Dimension $6$
CM no
Inner twists $2$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [288,8,Mod(145,288)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(288, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 1, 0]))
 
N = Newforms(chi, 8, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("288.145");
 
S:= CuspForms(chi, 8);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 288 = 2^{5} \cdot 3^{2} \)
Weight: \( k \) \(=\) \( 8 \)
Character orbit: \([\chi]\) \(=\) 288.d (of order \(2\), degree \(1\), 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: \(89.9668873394\)
Analytic rank: \(0\)
Dimension: \(6\)
Coefficient field: \(\mathbb{Q}[x]/(x^{6} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - 3x^{5} - 10x^{4} - 24x^{3} - 320x^{2} - 3072x + 32768 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 2^{30} \)
Twist minimal: no (minimal twist has level 8)
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{5}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - \beta_{3} - \beta_{2}) q^{5} + (\beta_1 + 115) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_{3} - \beta_{2}) q^{5} + (\beta_1 + 115) q^{7} + (\beta_{5} + 7 \beta_{3} + 3 \beta_{2}) q^{11} + ( - 2 \beta_{5} - 3 \beta_{3} - 21 \beta_{2}) q^{13} + (7 \beta_{4} - 25 \beta_1 - 248) q^{17} + ( - 5 \beta_{5} + 93 \beta_{3} + 105 \beta_{2}) q^{19} + (8 \beta_{4} - 11 \beta_1 - 217) q^{23} + ( - 6 \beta_{4} - 38 \beta_1 - 6567) q^{25} + ( - 16 \beta_{5} + \cdots + 2337 \beta_{2}) q^{29}+ \cdots + (849 \beta_{4} - 7183 \beta_1 - 183496) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q + 688 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 6 q + 688 q^{7} - 1452 q^{17} - 1296 q^{23} - 39314 q^{25} + 89280 q^{31} - 521244 q^{41} + 1566432 q^{47} - 511050 q^{49} + 3270256 q^{55} - 1416480 q^{65} - 7597104 q^{71} + 2089564 q^{73} - 16015904 q^{79} - 2169084 q^{89} + 48537936 q^{95} - 1088308 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} - 3x^{5} - 10x^{4} - 24x^{3} - 320x^{2} - 3072x + 32768 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( -\nu^{4} + 3\nu^{3} + 42\nu^{2} - 72\nu + 106 ) / 2 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -3\nu^{5} - 7\nu^{4} - 50\nu^{3} + 104\nu^{2} + 1088\nu + 15872 ) / 256 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -11\nu^{5} - 47\nu^{4} + 222\nu^{3} - 1112\nu^{2} + 3136\nu + 60928 ) / 256 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -\nu^{5} + \nu^{4} + 16\nu^{3} + 108\nu^{2} + 1200\nu + 2260 ) / 4 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 93\nu^{5} - 487\nu^{4} - 1458\nu^{3} - 3352\nu^{2} + 101952\nu - 205312 ) / 256 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{5} + 2\beta_{4} - \beta_{3} - 8\beta_{2} - 2\beta _1 + 512 ) / 1024 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -\beta_{5} + 6\beta_{4} - 63\beta_{3} + 72\beta_{2} + 26\beta _1 + 4960 ) / 1024 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -9\beta_{5} + 38\beta_{4} + 329\beta_{3} - 2296\beta_{2} + 58\beta _1 + 32288 ) / 1024 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -141\beta_{5} + 222\beta_{4} - 1587\beta_{3} - 3288\beta_{2} - 638\beta _1 + 376864 ) / 1024 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 807\beta_{5} - 218\beta_{4} - 4327\beta_{3} - 41848\beta_{2} + 698\beta _1 + 4357792 ) / 1024 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/288\mathbb{Z}\right)^\times\).

\(n\) \(37\) \(65\) \(127\)
\(\chi(n)\) \(-1\) \(1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
145.1
5.57668 0.949035i
−4.85268 + 2.90715i
0.776001 5.60338i
0.776001 + 5.60338i
−4.85268 2.90715i
5.57668 + 0.949035i
0 0 0 338.443i 0 438.996 0 0 0
145.2 0 0 0 324.492i 0 956.960 0 0 0
145.3 0 0 0 184.916i 0 −1051.96 0 0 0
145.4 0 0 0 184.916i 0 −1051.96 0 0 0
145.5 0 0 0 324.492i 0 956.960 0 0 0
145.6 0 0 0 338.443i 0 438.996 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 145.6
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
8.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 288.8.d.b 6
3.b odd 2 1 32.8.b.a 6
4.b odd 2 1 72.8.d.b 6
8.b even 2 1 inner 288.8.d.b 6
8.d odd 2 1 72.8.d.b 6
12.b even 2 1 8.8.b.a 6
24.f even 2 1 8.8.b.a 6
24.h odd 2 1 32.8.b.a 6
48.i odd 4 2 256.8.a.q 6
48.k even 4 2 256.8.a.r 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
8.8.b.a 6 12.b even 2 1
8.8.b.a 6 24.f even 2 1
32.8.b.a 6 3.b odd 2 1
32.8.b.a 6 24.h odd 2 1
72.8.d.b 6 4.b odd 2 1
72.8.d.b 6 8.d odd 2 1
256.8.a.q 6 48.i odd 4 2
256.8.a.r 6 48.k even 4 2
288.8.d.b 6 1.a even 1 1 trivial
288.8.d.b 6 8.b even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{6} + 254032T_{5}^{4} + 19577926400T_{5}^{2} + 412405245440000 \) acting on \(S_{8}^{\mathrm{new}}(288, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} \) Copy content Toggle raw display
$3$ \( T^{6} \) Copy content Toggle raw display
$5$ \( T^{6} + \cdots + 412405245440000 \) Copy content Toggle raw display
$7$ \( (T^{3} - 344 T^{2} + \cdots + 441929216)^{2} \) Copy content Toggle raw display
$11$ \( T^{6} + \cdots + 21\!\cdots\!00 \) Copy content Toggle raw display
$13$ \( T^{6} + \cdots + 24\!\cdots\!00 \) Copy content Toggle raw display
$17$ \( (T^{3} + \cdots + 9112197964104)^{2} \) Copy content Toggle raw display
$19$ \( T^{6} + \cdots + 47\!\cdots\!04 \) Copy content Toggle raw display
$23$ \( (T^{3} + \cdots + 2134822184448)^{2} \) Copy content Toggle raw display
$29$ \( T^{6} + \cdots + 42\!\cdots\!00 \) Copy content Toggle raw display
$31$ \( (T^{3} + \cdots - 18\!\cdots\!28)^{2} \) Copy content Toggle raw display
$37$ \( T^{6} + \cdots + 61\!\cdots\!64 \) Copy content Toggle raw display
$41$ \( (T^{3} + \cdots - 17\!\cdots\!00)^{2} \) Copy content Toggle raw display
$43$ \( T^{6} + \cdots + 77\!\cdots\!56 \) Copy content Toggle raw display
$47$ \( (T^{3} + \cdots + 15\!\cdots\!96)^{2} \) Copy content Toggle raw display
$53$ \( T^{6} + \cdots + 12\!\cdots\!36 \) Copy content Toggle raw display
$59$ \( T^{6} + \cdots + 55\!\cdots\!04 \) Copy content Toggle raw display
$61$ \( T^{6} + \cdots + 10\!\cdots\!00 \) Copy content Toggle raw display
$67$ \( T^{6} + \cdots + 75\!\cdots\!24 \) Copy content Toggle raw display
$71$ \( (T^{3} + \cdots + 38\!\cdots\!92)^{2} \) Copy content Toggle raw display
$73$ \( (T^{3} + \cdots + 21\!\cdots\!72)^{2} \) Copy content Toggle raw display
$79$ \( (T^{3} + \cdots - 49\!\cdots\!40)^{2} \) Copy content Toggle raw display
$83$ \( T^{6} + \cdots + 63\!\cdots\!16 \) Copy content Toggle raw display
$89$ \( (T^{3} + \cdots - 11\!\cdots\!20)^{2} \) Copy content Toggle raw display
$97$ \( (T^{3} + \cdots - 16\!\cdots\!24)^{2} \) Copy content Toggle raw display
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