Properties

Label 1152.2.l.b
Level $1152$
Weight $2$
Character orbit 1152.l
Analytic conductor $9.199$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $4$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1152,2,Mod(287,1152)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1152, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([2, 1, 2]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1152.287");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1152 = 2^{7} \cdot 3^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1152.l (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: \(9.19876631285\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(8\) over \(\Q(i)\)
Coefficient field: \(\mathbb{Q}[x]/(x^{16} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 4x^{14} + 6x^{12} - 12x^{10} + 33x^{8} - 48x^{6} + 96x^{4} - 256x^{2} + 256 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{17}]\)
Coefficient ring index: \( 2^{18} \)
Twist minimal: no (minimal twist has level 144)
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 \(1,\beta_1,\ldots,\beta_{15}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{3} q^{5} - \beta_{9} q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{3} q^{5} - \beta_{9} q^{7} + (\beta_{14} + \beta_{2}) q^{11} - \beta_{4} q^{13} + ( - \beta_{14} - \beta_{10} + \cdots - \beta_{7}) q^{17}+ \cdots + (\beta_{12} + 2 \beta_{9} - \beta_{4}) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 16 q^{19} - 32 q^{43} + 16 q^{49} + 64 q^{55} + 32 q^{61} - 16 q^{67} + 32 q^{85} + 48 q^{91}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 4x^{14} + 6x^{12} - 12x^{10} + 33x^{8} - 48x^{6} + 96x^{4} - 256x^{2} + 256 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 17\nu^{14} - 72\nu^{12} + 6\nu^{10} - 36\nu^{8} + 513\nu^{6} - 1332\nu^{4} + 3696\nu^{2} - 4544 ) / 1920 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 11\nu^{15} - 66\nu^{13} + 138\nu^{11} - 168\nu^{9} + 339\nu^{7} - 486\nu^{5} + 1008\nu^{3} - 1952\nu ) / 1920 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 19\nu^{15} - 54\nu^{13} + 42\nu^{11} - 192\nu^{9} + 651\nu^{7} - 954\nu^{5} + 1872\nu^{3} - 1888\nu ) / 1920 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 2\nu^{14} - 9\nu^{12} - 30\nu^{8} + 78\nu^{6} + 15\nu^{4} + 192\nu^{2} - 560 ) / 96 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 43\nu^{14} - 48\nu^{12} - 126\nu^{10} + 36\nu^{8} + 27\nu^{6} + 492\nu^{4} + 144\nu^{2} - 1216 ) / 1920 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 43\nu^{14} - 108\nu^{12} + 114\nu^{10} - 324\nu^{8} + 747\nu^{6} - 528\nu^{4} + 3024\nu^{2} - 6016 ) / 1920 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -\nu^{15} + \nu^{13} - 2\nu^{11} + 10\nu^{9} - 13\nu^{7} + 13\nu^{5} - 56\nu^{3} + 80\nu ) / 64 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 61\nu^{15} - 96\nu^{13} + 78\nu^{11} - 228\nu^{9} + 909\nu^{7} - 156\nu^{5} + 5328\nu^{3} - 2752\nu ) / 3840 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( -\nu^{14} + 3\nu^{12} - 2\nu^{10} + 6\nu^{8} - 21\nu^{6} + 31\nu^{4} - 48\nu^{2} + 144 ) / 32 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( -89\nu^{15} + 204\nu^{13} - 102\nu^{11} + 732\nu^{9} - 1401\nu^{7} + 984\nu^{5} - 4752\nu^{3} + 9728\nu ) / 3840 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 32\nu^{14} - 57\nu^{12} + 36\nu^{10} - 246\nu^{8} + 588\nu^{6} - 297\nu^{4} + 1776\nu^{2} - 3824 ) / 480 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( -17\nu^{14} + 30\nu^{12} - 30\nu^{10} + 168\nu^{8} - 201\nu^{6} + 234\nu^{4} - 1296\nu^{2} + 1760 ) / 192 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( 199\nu^{15} - 504\nu^{13} + 522\nu^{11} - 2172\nu^{9} + 3351\nu^{7} - 3564\nu^{5} + 17232\nu^{3} - 33088\nu ) / 3840 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( -7\nu^{15} + 18\nu^{13} - 18\nu^{11} + 56\nu^{9} - 143\nu^{7} + 134\nu^{5} - 528\nu^{3} + 1184\nu ) / 128 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 17\nu^{15} - 32\nu^{13} + 38\nu^{11} - 116\nu^{9} + 225\nu^{7} - 332\nu^{5} + 1136\nu^{3} - 1600\nu ) / 256 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{14} - \beta_{10} + \beta_{8} + \beta_{3} + \beta_{2} ) / 4 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{9} + \beta_{6} + \beta _1 + 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( \beta_{14} + 2\beta_{13} + 3\beta_{10} + 3\beta_{8} + 2\beta_{7} + \beta_{3} - \beta_{2} ) / 4 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( \beta_{12} + 4\beta_{9} + 8\beta_{6} + \beta_{5} + \beta_{4} - \beta _1 + 2 ) / 4 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -4\beta_{15} - \beta_{14} - 3\beta_{10} + 7\beta_{8} - 4\beta_{7} - 5\beta_{3} + 3\beta_{2} ) / 4 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 2\beta_{12} + 4\beta_{11} + \beta_{9} - \beta_{6} - 2\beta_{5} + \beta _1 + 7 ) / 2 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( -8\beta_{15} - 7\beta_{14} - 6\beta_{13} - \beta_{10} + 7\beta_{8} - 14\beta_{7} + 9\beta_{3} + 3\beta_{2} ) / 4 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 9\beta_{12} + 4\beta_{11} + 8\beta_{9} + 32\beta_{6} + 5\beta_{5} - 7\beta_{4} + 11\beta _1 + 2 ) / 4 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 8\beta_{15} - 13\beta_{14} - 12\beta_{13} + 13\beta_{10} + 7\beta_{8} + 20\beta_{7} - 9\beta_{3} - 5\beta_{2} ) / 4 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 4\beta_{12} + 5\beta_{9} + 41\beta_{6} - 8\beta_{5} - 8\beta_{4} - 7\beta _1 + 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( -15\beta_{14} - 14\beta_{13} + 43\beta_{10} + 11\beta_{8} - 46\beta_{7} - 31\beta_{3} + 55\beta_{2} ) / 4 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( 9\beta_{12} + 72\beta_{11} + 44\beta_{9} - 56\beta_{6} - 31\beta_{5} - 39\beta_{4} + 15\beta _1 - 94 ) / 4 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( -12\beta_{15} - 49\beta_{14} - 24\beta_{13} + 133\beta_{10} - \beta_{8} - 180\beta_{7} - 5\beta_{3} - 53\beta_{2} ) / 4 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 6\beta_{12} + 36\beta_{11} + 9\beta_{9} + 27\beta_{6} + 42\beta_{5} - 48\beta_{4} - 15\beta _1 - 13 ) / 2 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( 120 \beta_{15} - 47 \beta_{14} - 150 \beta_{13} - 97 \beta_{10} - 41 \beta_{8} - 126 \beta_{7} + \cdots - 77 \beta_{2} ) / 4 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1152\mathbb{Z}\right)^\times\).

\(n\) \(127\) \(641\) \(901\)
\(\chi(n)\) \(-1\) \(-1\) \(-\beta_{6}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
287.1
−0.517174 1.31626i
0.944649 1.05244i
1.36166 0.381939i
1.40927 0.118126i
−1.40927 + 0.118126i
−1.36166 + 0.381939i
−0.944649 + 1.05244i
0.517174 + 1.31626i
−0.517174 + 1.31626i
0.944649 + 1.05244i
1.36166 + 0.381939i
1.40927 + 0.118126i
−1.40927 0.118126i
−1.36166 0.381939i
−0.944649 1.05244i
0.517174 1.31626i
0 0 0 −2.63251 + 2.63251i 0 0.207188 0 0 0
287.2 0 0 0 −2.10489 + 2.10489i 0 4.40731 0 0 0
287.3 0 0 0 −0.763878 + 0.763878i 0 −1.33620 0 0 0
287.4 0 0 0 −0.236253 + 0.236253i 0 −3.27830 0 0 0
287.5 0 0 0 0.236253 0.236253i 0 −3.27830 0 0 0
287.6 0 0 0 0.763878 0.763878i 0 −1.33620 0 0 0
287.7 0 0 0 2.10489 2.10489i 0 4.40731 0 0 0
287.8 0 0 0 2.63251 2.63251i 0 0.207188 0 0 0
863.1 0 0 0 −2.63251 2.63251i 0 0.207188 0 0 0
863.2 0 0 0 −2.10489 2.10489i 0 4.40731 0 0 0
863.3 0 0 0 −0.763878 0.763878i 0 −1.33620 0 0 0
863.4 0 0 0 −0.236253 0.236253i 0 −3.27830 0 0 0
863.5 0 0 0 0.236253 + 0.236253i 0 −3.27830 0 0 0
863.6 0 0 0 0.763878 + 0.763878i 0 −1.33620 0 0 0
863.7 0 0 0 2.10489 + 2.10489i 0 4.40731 0 0 0
863.8 0 0 0 2.63251 + 2.63251i 0 0.207188 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 287.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
16.f odd 4 1 inner
48.k even 4 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1152.2.l.b 16
3.b odd 2 1 inner 1152.2.l.b 16
4.b odd 2 1 1152.2.l.a 16
8.b even 2 1 576.2.l.a 16
8.d odd 2 1 144.2.l.a 16
12.b even 2 1 1152.2.l.a 16
16.e even 4 1 144.2.l.a 16
16.e even 4 1 1152.2.l.a 16
16.f odd 4 1 576.2.l.a 16
16.f odd 4 1 inner 1152.2.l.b 16
24.f even 2 1 144.2.l.a 16
24.h odd 2 1 576.2.l.a 16
48.i odd 4 1 144.2.l.a 16
48.i odd 4 1 1152.2.l.a 16
48.k even 4 1 576.2.l.a 16
48.k even 4 1 inner 1152.2.l.b 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
144.2.l.a 16 8.d odd 2 1
144.2.l.a 16 16.e even 4 1
144.2.l.a 16 24.f even 2 1
144.2.l.a 16 48.i odd 4 1
576.2.l.a 16 8.b even 2 1
576.2.l.a 16 16.f odd 4 1
576.2.l.a 16 24.h odd 2 1
576.2.l.a 16 48.k even 4 1
1152.2.l.a 16 4.b odd 2 1
1152.2.l.a 16 12.b even 2 1
1152.2.l.a 16 16.e even 4 1
1152.2.l.a 16 48.i odd 4 1
1152.2.l.b 16 1.a even 1 1 trivial
1152.2.l.b 16 3.b odd 2 1 inner
1152.2.l.b 16 16.f odd 4 1 inner
1152.2.l.b 16 48.k even 4 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{7}^{4} - 16T_{7}^{2} - 16T_{7} + 4 \) acting on \(S_{2}^{\mathrm{new}}(1152, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( T^{16} \) Copy content Toggle raw display
$5$ \( T^{16} + 272 T^{12} + \cdots + 256 \) Copy content Toggle raw display
$7$ \( (T^{4} - 16 T^{2} - 16 T + 4)^{4} \) Copy content Toggle raw display
$11$ \( T^{16} + 960 T^{12} + \cdots + 65536 \) Copy content Toggle raw display
$13$ \( (T^{8} - 64 T^{5} + \cdots + 400)^{2} \) Copy content Toggle raw display
$17$ \( (T^{8} + 72 T^{6} + \cdots + 1936)^{2} \) Copy content Toggle raw display
$19$ \( (T^{8} - 8 T^{7} + \cdots + 30976)^{2} \) Copy content Toggle raw display
$23$ \( (T^{8} + 96 T^{6} + \cdots + 6400)^{2} \) Copy content Toggle raw display
$29$ \( T^{16} + \cdots + 16062013696 \) Copy content Toggle raw display
$31$ \( (T^{8} + 192 T^{6} + \cdots + 1648656)^{2} \) Copy content Toggle raw display
$37$ \( (T^{8} + 512 T^{5} + \cdots + 35344)^{2} \) Copy content Toggle raw display
$41$ \( (T^{8} - 168 T^{6} + \cdots + 144)^{2} \) Copy content Toggle raw display
$43$ \( (T^{8} + 16 T^{7} + \cdots + 4129024)^{2} \) Copy content Toggle raw display
$47$ \( (T^{8} - 160 T^{6} + \cdots + 665856)^{2} \) Copy content Toggle raw display
$53$ \( T^{16} + \cdots + 22663495936 \) Copy content Toggle raw display
$59$ \( T^{16} + \cdots + 2186423566336 \) Copy content Toggle raw display
$61$ \( (T^{8} - 16 T^{7} + \cdots + 258064)^{2} \) Copy content Toggle raw display
$67$ \( (T^{8} + 8 T^{7} + \cdots + 7573504)^{2} \) Copy content Toggle raw display
$71$ \( (T^{8} + 192 T^{6} + \cdots + 73984)^{2} \) Copy content Toggle raw display
$73$ \( (T^{8} + 176 T^{6} + \cdots + 20736)^{2} \) Copy content Toggle raw display
$79$ \( (T^{8} + 224 T^{6} + \cdots + 3825936)^{2} \) Copy content Toggle raw display
$83$ \( T^{16} + \cdots + 102776124276736 \) Copy content Toggle raw display
$89$ \( (T^{8} - 200 T^{6} + \cdots + 104976)^{2} \) Copy content Toggle raw display
$97$ \( (T^{4} - 72 T^{2} + \cdots - 176)^{4} \) Copy content Toggle raw display
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