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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [7200,2,Mod(1151,7200)] 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("7200.1151"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(7200, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([1, 0, 1, 0])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 7200 = 2^{5} \cdot 3^{2} \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 7200.h (of order \(2\), degree \(1\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [4,0,0,0,0,0,0,0,0,0,0,0,-16,0,0,0,0,0,0,0,0,0,0] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(23)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(57.4922894553\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: \(\Q(\zeta_{8})\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{17}]\)
Coefficient ring index: \( 2^{5} \)
Twist minimal: no (minimal twist has level 288)
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.

\(f(q)\) \(=\) \( q + \beta_1 q^{7} - \beta_{3} q^{11} - 4 q^{13} + 3 \beta_{2} q^{17} - \beta_{3} q^{23} + \beta_{2} q^{29} - \beta_1 q^{31} + 6 q^{37} + 7 \beta_{2} q^{41} - 2 \beta_1 q^{43} - \beta_{3} q^{47} - 9 q^{49}+ \cdots + 8 q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 16 q^{13} + 24 q^{37} - 36 q^{49} - 8 q^{61} + 32 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( 4\zeta_{8}^{2} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \zeta_{8}^{3} + \zeta_{8} \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( -4\zeta_{8}^{3} + 4\zeta_{8} \) Copy content Toggle raw display
\(\zeta_{8}\)\(=\) \( ( \beta_{3} + 4\beta_{2} ) / 8 \) Copy content Toggle raw display
\(\zeta_{8}^{2}\)\(=\) \( ( \beta_1 ) / 4 \) Copy content Toggle raw display
\(\zeta_{8}^{3}\)\(=\) \( ( -\beta_{3} + 4\beta_{2} ) / 8 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/7200\mathbb{Z}\right)^\times\).

\(n\) \(577\) \(901\) \(6401\) \(6751\)
\(\chi(n)\) \(1\) \(1\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1151.1
0.707107 0.707107i
−0.707107 + 0.707107i
0.707107 + 0.707107i
−0.707107 0.707107i
0 0 0 0 0 4.00000i 0 0 0
1151.2 0 0 0 0 0 4.00000i 0 0 0
1151.3 0 0 0 0 0 4.00000i 0 0 0
1151.4 0 0 0 0 0 4.00000i 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
3.b odd 2 1 inner
4.b odd 2 1 inner
12.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 7200.2.h.d 4
3.b odd 2 1 inner 7200.2.h.d 4
4.b odd 2 1 inner 7200.2.h.d 4
5.b even 2 1 288.2.c.a 4
5.c odd 4 1 7200.2.o.a 4
5.c odd 4 1 7200.2.o.n 4
12.b even 2 1 inner 7200.2.h.d 4
15.d odd 2 1 288.2.c.a 4
15.e even 4 1 7200.2.o.a 4
15.e even 4 1 7200.2.o.n 4
20.d odd 2 1 288.2.c.a 4
20.e even 4 1 7200.2.o.a 4
20.e even 4 1 7200.2.o.n 4
40.e odd 2 1 576.2.c.c 4
40.f even 2 1 576.2.c.c 4
45.h odd 6 2 2592.2.s.d 8
45.j even 6 2 2592.2.s.d 8
60.h even 2 1 288.2.c.a 4
60.l odd 4 1 7200.2.o.a 4
60.l odd 4 1 7200.2.o.n 4
80.k odd 4 1 2304.2.f.c 4
80.k odd 4 1 2304.2.f.e 4
80.q even 4 1 2304.2.f.c 4
80.q even 4 1 2304.2.f.e 4
120.i odd 2 1 576.2.c.c 4
120.m even 2 1 576.2.c.c 4
180.n even 6 2 2592.2.s.d 8
180.p odd 6 2 2592.2.s.d 8
240.t even 4 1 2304.2.f.c 4
240.t even 4 1 2304.2.f.e 4
240.bm odd 4 1 2304.2.f.c 4
240.bm odd 4 1 2304.2.f.e 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
288.2.c.a 4 5.b even 2 1
288.2.c.a 4 15.d odd 2 1
288.2.c.a 4 20.d odd 2 1
288.2.c.a 4 60.h even 2 1
576.2.c.c 4 40.e odd 2 1
576.2.c.c 4 40.f even 2 1
576.2.c.c 4 120.i odd 2 1
576.2.c.c 4 120.m even 2 1
2304.2.f.c 4 80.k odd 4 1
2304.2.f.c 4 80.q even 4 1
2304.2.f.c 4 240.t even 4 1
2304.2.f.c 4 240.bm odd 4 1
2304.2.f.e 4 80.k odd 4 1
2304.2.f.e 4 80.q even 4 1
2304.2.f.e 4 240.t even 4 1
2304.2.f.e 4 240.bm odd 4 1
2592.2.s.d 8 45.h odd 6 2
2592.2.s.d 8 45.j even 6 2
2592.2.s.d 8 180.n even 6 2
2592.2.s.d 8 180.p odd 6 2
7200.2.h.d 4 1.a even 1 1 trivial
7200.2.h.d 4 3.b odd 2 1 inner
7200.2.h.d 4 4.b odd 2 1 inner
7200.2.h.d 4 12.b even 2 1 inner
7200.2.o.a 4 5.c odd 4 1
7200.2.o.a 4 15.e even 4 1
7200.2.o.a 4 20.e even 4 1
7200.2.o.a 4 60.l odd 4 1
7200.2.o.n 4 5.c odd 4 1
7200.2.o.n 4 15.e even 4 1
7200.2.o.n 4 20.e even 4 1
7200.2.o.n 4 60.l odd 4 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(7200, [\chi])\):

\( T_{7}^{2} + 16 \) Copy content Toggle raw display
\( T_{11}^{2} - 32 \) Copy content Toggle raw display
\( T_{13} + 4 \) Copy content Toggle raw display
\( T_{23}^{2} - 32 \) 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
$5$ \( T^{4} \) Copy content Toggle raw display
$7$ \( (T^{2} + 16)^{2} \) Copy content Toggle raw display
$11$ \( (T^{2} - 32)^{2} \) Copy content Toggle raw display
$13$ \( (T + 4)^{4} \) Copy content Toggle raw display
$17$ \( (T^{2} + 18)^{2} \) Copy content Toggle raw display
$19$ \( T^{4} \) Copy content Toggle raw display
$23$ \( (T^{2} - 32)^{2} \) Copy content Toggle raw display
$29$ \( (T^{2} + 2)^{2} \) Copy content Toggle raw display
$31$ \( (T^{2} + 16)^{2} \) Copy content Toggle raw display
$37$ \( (T - 6)^{4} \) Copy content Toggle raw display
$41$ \( (T^{2} + 98)^{2} \) Copy content Toggle raw display
$43$ \( (T^{2} + 64)^{2} \) Copy content Toggle raw display
$47$ \( (T^{2} - 32)^{2} \) Copy content Toggle raw display
$53$ \( (T^{2} + 18)^{2} \) Copy content Toggle raw display
$59$ \( (T^{2} - 128)^{2} \) Copy content Toggle raw display
$61$ \( (T + 2)^{4} \) Copy content Toggle raw display
$67$ \( (T^{2} + 64)^{2} \) Copy content Toggle raw display
$71$ \( (T^{2} - 32)^{2} \) Copy content Toggle raw display
$73$ \( T^{4} \) Copy content Toggle raw display
$79$ \( (T^{2} + 16)^{2} \) Copy content Toggle raw display
$83$ \( (T^{2} - 32)^{2} \) Copy content Toggle raw display
$89$ \( (T^{2} + 18)^{2} \) Copy content Toggle raw display
$97$ \( (T - 8)^{4} \) Copy content Toggle raw display
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