Properties

Label 192.9.h.a
Level $192$
Weight $9$
Character orbit 192.h
Analytic conductor $78.217$
Analytic rank $0$
Dimension $4$
CM discriminant -3
Inner twists $8$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [192,9,Mod(161,192)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(192, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 1, 1]))
 
N = Newforms(chi, 9, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("192.161");
 
S:= CuspForms(chi, 9);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 192 = 2^{6} \cdot 3 \)
Weight: \( k \) \(=\) \( 9 \)
Character orbit: \([\chi]\) \(=\) 192.h (of order \(2\), degree \(1\), 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: \(78.2166931317\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: \(\Q(\zeta_{12})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{19}]\)
Coefficient ring index: \( 2^{12} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{U}(1)[D_{2}]$

$q$-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 \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - 81 \beta_1 q^{3} + 47 \beta_{3} q^{7} - 6561 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - 81 \beta_1 q^{3} + 47 \beta_{3} q^{7} - 6561 q^{9} + 803 \beta_{2} q^{13} - 258526 \beta_1 q^{19} - 3807 \beta_{2} q^{21} - 390625 q^{25} + 531441 \beta_1 q^{27} + 6693 \beta_{3} q^{31} - 67015 \beta_{2} q^{37} + 65043 \beta_{3} q^{39} - 3492194 \beta_1 q^{43} + 1021247 q^{49} - 20940606 q^{57} - 254597 \beta_{2} q^{61} - 308367 \beta_{3} q^{63} + 5421406 \beta_1 q^{67} + 16169282 q^{73} + 31640625 \beta_1 q^{75} - 1363555 \beta_{3} q^{79} + 43046721 q^{81} + 115940352 \beta_1 q^{91} - 542133 \beta_{2} q^{93} - 176908034 q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 26244 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 26244 q^{9} - 1562500 q^{25} + 4084988 q^{49} - 83762424 q^{57} + 64677128 q^{73} + 172186884 q^{81} - 707632136 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( \zeta_{12}^{3} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( 64\zeta_{12}^{2} - 32 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( -32\zeta_{12}^{3} + 64\zeta_{12} \) Copy content Toggle raw display
\(\zeta_{12}\)\(=\) \( ( \beta_{3} + 32\beta_1 ) / 64 \) Copy content Toggle raw display
\(\zeta_{12}^{2}\)\(=\) \( ( \beta_{2} + 32 ) / 64 \) Copy content Toggle raw display
\(\zeta_{12}^{3}\)\(=\) \( \beta_1 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/192\mathbb{Z}\right)^\times\).

\(n\) \(65\) \(127\) \(133\)
\(\chi(n)\) \(-1\) \(1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
161.1
−0.866025 + 0.500000i
0.866025 + 0.500000i
−0.866025 0.500000i
0.866025 0.500000i
0 81.0000i 0 0 0 −2605.00 0 −6561.00 0
161.2 0 81.0000i 0 0 0 2605.00 0 −6561.00 0
161.3 0 81.0000i 0 0 0 −2605.00 0 −6561.00 0
161.4 0 81.0000i 0 0 0 2605.00 0 −6561.00 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 CM by \(\Q(\sqrt{-3}) \)
4.b odd 2 1 inner
8.b even 2 1 inner
8.d odd 2 1 inner
12.b even 2 1 inner
24.f 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 192.9.h.a 4
3.b odd 2 1 CM 192.9.h.a 4
4.b odd 2 1 inner 192.9.h.a 4
8.b even 2 1 inner 192.9.h.a 4
8.d odd 2 1 inner 192.9.h.a 4
12.b even 2 1 inner 192.9.h.a 4
24.f even 2 1 inner 192.9.h.a 4
24.h odd 2 1 inner 192.9.h.a 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
192.9.h.a 4 1.a even 1 1 trivial
192.9.h.a 4 3.b odd 2 1 CM
192.9.h.a 4 4.b odd 2 1 inner
192.9.h.a 4 8.b even 2 1 inner
192.9.h.a 4 8.d odd 2 1 inner
192.9.h.a 4 12.b even 2 1 inner
192.9.h.a 4 24.f even 2 1 inner
192.9.h.a 4 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 \(S_{9}^{\mathrm{new}}(192, [\chi])\):

\( T_{5} \) Copy content Toggle raw display
\( T_{7}^{2} - 6786048 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( (T^{2} + 6561)^{2} \) Copy content Toggle raw display
$5$ \( T^{4} \) Copy content Toggle raw display
$7$ \( (T^{2} - 6786048)^{2} \) Copy content Toggle raw display
$11$ \( T^{4} \) Copy content Toggle raw display
$13$ \( (T^{2} + 1980853248)^{2} \) Copy content Toggle raw display
$17$ \( T^{4} \) Copy content Toggle raw display
$19$ \( (T^{2} + 66835692676)^{2} \) Copy content Toggle raw display
$23$ \( T^{4} \) Copy content Toggle raw display
$29$ \( T^{4} \) Copy content Toggle raw display
$31$ \( (T^{2} - 137614076928)^{2} \) Copy content Toggle raw display
$37$ \( (T^{2} + 13796383411200)^{2} \) Copy content Toggle raw display
$41$ \( T^{4} \) Copy content Toggle raw display
$43$ \( (T^{2} + 12195418933636)^{2} \) Copy content Toggle raw display
$47$ \( T^{4} \) Copy content Toggle raw display
$53$ \( T^{4} \) Copy content Toggle raw display
$59$ \( T^{4} \) Copy content Toggle raw display
$61$ \( (T^{2} + 199125910760448)^{2} \) Copy content Toggle raw display
$67$ \( (T^{2} + 29391643016836)^{2} \) Copy content Toggle raw display
$71$ \( T^{4} \) Copy content Toggle raw display
$73$ \( (T - 16169282)^{4} \) Copy content Toggle raw display
$79$ \( (T^{2} - 57\!\cdots\!00)^{2} \) Copy content Toggle raw display
$83$ \( T^{4} \) Copy content Toggle raw display
$89$ \( T^{4} \) Copy content Toggle raw display
$97$ \( (T + 176908034)^{4} \) Copy content Toggle raw display
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