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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [288,6,Mod(145,288)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content magma:// Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("288.145"); S:= CuspForms(chi, 6); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(288, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 1, 0])) N = Newforms(chi, 6, names="a")
 
Level: \( N \) \(=\) \( 288 = 2^{5} \cdot 3^{2} \)
Weight: \( k \) \(=\) \( 6 \)
Character orbit: \([\chi]\) \(=\) 288.d (of order \(2\), degree \(1\), not minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [4] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(1)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(46.1905401061\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: \(\Q(\sqrt{-54 +2 \sqrt{73}})\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{3} - 2x^{2} - 8x + 64 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{12} \)
Twist minimal: no (minimal twist has level 8)
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

Copy content comment:q-expansion
 
Copy content sage:f.q_expansion() # note that sage often uses an isomorphic number field
 
Copy content gp:mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{2} q^{5} + ( - \beta_{3} - 24) q^{7} + (8 \beta_{2} + 5 \beta_1) q^{11} + ( - 3 \beta_{2} - 32 \beta_1) q^{13} + ( - 2 \beta_{3} - 50) q^{17} + (24 \beta_{2} + 7 \beta_1) q^{19} + ( - 13 \beta_{3} + 584) q^{23}+ \cdots + (274 \beta_{3} - 24894) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 96 q^{7} - 200 q^{17} + 2336 q^{23} + 1556 q^{25} + 12928 q^{31} + 4568 q^{41} - 54720 q^{47} + 9828 q^{49} - 85472 q^{55} + 19520 q^{65} + 206688 q^{71} + 39976 q^{73} + 247872 q^{79} + 84632 q^{89}+ \cdots - 99576 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} - x^{3} - 2x^{2} - 8x + 64 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{3} + 3\nu^{2} + 2\nu - 12 ) / 2 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{3} - 5\nu^{2} + 10\nu - 4 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( -4\nu^{3} + 4\nu^{2} + 40\nu + 16 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{3} + 2\beta_{2} + 4\beta _1 + 16 ) / 64 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{3} - 6\beta_{2} + 20\beta _1 + 80 ) / 64 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -5\beta_{3} + 14\beta_{2} + 60\beta _1 + 496 ) / 64 \) 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.

Copy content comment:embeddings in the coefficient field
 
Copy content 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
−1.88600 2.10784i
2.38600 1.51888i
2.38600 + 1.51888i
−1.88600 + 2.10784i
0 0 0 73.9600i 0 112.704 0 0 0
145.2 0 0 0 1.38521i 0 −160.704 0 0 0
145.3 0 0 0 1.38521i 0 −160.704 0 0 0
145.4 0 0 0 73.9600i 0 112.704 0 0 0
\(n\): e.g. 2-40 or 80-90
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 288.6.d.b 4
3.b odd 2 1 32.6.b.a 4
4.b odd 2 1 72.6.d.b 4
8.b even 2 1 inner 288.6.d.b 4
8.d odd 2 1 72.6.d.b 4
12.b even 2 1 8.6.b.a 4
15.d odd 2 1 800.6.d.a 4
15.e even 4 2 800.6.f.a 8
24.f even 2 1 8.6.b.a 4
24.h odd 2 1 32.6.b.a 4
48.i odd 4 2 256.6.a.n 4
48.k even 4 2 256.6.a.k 4
60.h even 2 1 200.6.d.a 4
60.l odd 4 2 200.6.f.a 8
120.i odd 2 1 800.6.d.a 4
120.m even 2 1 200.6.d.a 4
120.q odd 4 2 200.6.f.a 8
120.w even 4 2 800.6.f.a 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
8.6.b.a 4 12.b even 2 1
8.6.b.a 4 24.f even 2 1
32.6.b.a 4 3.b odd 2 1
32.6.b.a 4 24.h odd 2 1
72.6.d.b 4 4.b odd 2 1
72.6.d.b 4 8.d odd 2 1
200.6.d.a 4 60.h even 2 1
200.6.d.a 4 120.m even 2 1
200.6.f.a 8 60.l odd 4 2
200.6.f.a 8 120.q odd 4 2
256.6.a.k 4 48.k even 4 2
256.6.a.n 4 48.i odd 4 2
288.6.d.b 4 1.a even 1 1 trivial
288.6.d.b 4 8.b even 2 1 inner
800.6.d.a 4 15.d odd 2 1
800.6.d.a 4 120.i odd 2 1
800.6.f.a 8 15.e even 4 2
800.6.f.a 8 120.w even 4 2

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{4} + 5472T_{5}^{2} + 10496 \) acting on \(S_{6}^{\mathrm{new}}(288, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( T^{4} \) Copy content Toggle raw display
$5$ \( T^{4} + 5472 T^{2} + 10496 \) Copy content Toggle raw display
$7$ \( (T^{2} + 48 T - 18112)^{2} \) Copy content Toggle raw display
$11$ \( T^{4} + \cdots + 5520765456 \) Copy content Toggle raw display
$13$ \( T^{4} + \cdots + 7999305984 \) Copy content Toggle raw display
$17$ \( (T^{2} + 100 T - 72252)^{2} \) Copy content Toggle raw display
$19$ \( T^{4} + \cdots + 120994976016 \) Copy content Toggle raw display
$23$ \( (T^{2} - 1168 T - 2817216)^{2} \) Copy content Toggle raw display
$29$ \( T^{4} + \cdots + 535633608132864 \) Copy content Toggle raw display
$31$ \( (T^{2} - 6464 T + 7754752)^{2} \) Copy content Toggle raw display
$37$ \( T^{4} + \cdots + 306881230162176 \) Copy content Toggle raw display
$41$ \( (T^{2} - 2284 T - 85109148)^{2} \) Copy content Toggle raw display
$43$ \( T^{4} + \cdots + 23\!\cdots\!56 \) Copy content Toggle raw display
$47$ \( (T^{2} + 27360 T + 132648192)^{2} \) Copy content Toggle raw display
$53$ \( T^{4} + \cdots + 76\!\cdots\!44 \) Copy content Toggle raw display
$59$ \( T^{4} + \cdots + 22\!\cdots\!36 \) Copy content Toggle raw display
$61$ \( T^{4} + \cdots + 41\!\cdots\!16 \) Copy content Toggle raw display
$67$ \( T^{4} + \cdots + 32\!\cdots\!84 \) Copy content Toggle raw display
$71$ \( (T^{2} - 103344 T + 2609278272)^{2} \) Copy content Toggle raw display
$73$ \( (T^{2} - 19988 T - 1604540316)^{2} \) Copy content Toggle raw display
$79$ \( (T^{2} - 123936 T + 3701816576)^{2} \) Copy content Toggle raw display
$83$ \( T^{4} + \cdots + 72\!\cdots\!56 \) Copy content Toggle raw display
$89$ \( (T^{2} - 42316 T - 6875717724)^{2} \) Copy content Toggle raw display
$97$ \( (T^{2} + 49788 T - 783309052)^{2} \) Copy content Toggle raw display
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