Properties

Label 192.8.f.a
Level $192$
Weight $8$
Character orbit 192.f
Analytic conductor $59.978$
Analytic rank $0$
Dimension $4$
CM discriminant -24
Inner twists $8$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [192,8,Mod(95,192)]
 
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([1, 1, 1]))
 
N = Newforms(chi, 8, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("192.95");
 
S:= CuspForms(chi, 8);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 192 = 2^{6} \cdot 3 \)
Weight: \( k \) \(=\) \( 8 \)
Character orbit: \([\chi]\) \(=\) 192.f (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: \(59.9779248930\)
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: \(\Z[a_1, \ldots, a_{29}]\)
Coefficient ring index: \( 2^{4} \)
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.

\(f(q)\) \(=\) \( q + 27 \beta_{2} q^{3} + 13 \beta_{3} q^{5} + 377 \beta_1 q^{7} - 2187 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + 27 \beta_{2} q^{3} + 13 \beta_{3} q^{5} + 377 \beta_1 q^{7} - 2187 q^{9} + 3302 \beta_{2} q^{11} + 1053 \beta_1 q^{15} - 10179 \beta_{3} q^{21} - 76097 q^{25} - 59049 \beta_{2} q^{27} + 21633 \beta_{3} q^{29} + 165685 \beta_1 q^{31} - 267462 q^{33} + 19604 \beta_{2} q^{35} - 28431 \beta_{3} q^{45} + 255027 q^{49} - 621923 \beta_{3} q^{53} + 128778 \beta_1 q^{55} - 1608594 \beta_{2} q^{59} - 824499 \beta_1 q^{63} + 2819362 q^{73} - 2054619 \beta_{2} q^{75} - 1244854 \beta_{3} q^{77} - 3780635 \beta_1 q^{79} + 4782969 q^{81} - 3587090 \beta_{2} q^{83} + 1752273 \beta_1 q^{87} - 4473495 \beta_{3} q^{93} - 11745214 q^{97} - 7221474 \beta_{2} q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 8748 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 8748 q^{9} - 304388 q^{25} - 1069848 q^{33} + 1020108 q^{49} + 11277448 q^{73} + 19131876 q^{81} - 46980856 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( 2\zeta_{12}^{3} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( 2\zeta_{12}^{2} - 1 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( -2\zeta_{12}^{3} + 4\zeta_{12} \) Copy content Toggle raw display
\(\zeta_{12}\)\(=\) \( ( \beta_{3} + \beta_1 ) / 4 \) Copy content Toggle raw display
\(\zeta_{12}^{2}\)\(=\) \( ( \beta_{2} + 1 ) / 2 \) Copy content Toggle raw display
\(\zeta_{12}^{3}\)\(=\) \( ( \beta_1 ) / 2 \) 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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
95.1
−0.866025 + 0.500000i
0.866025 0.500000i
−0.866025 0.500000i
0.866025 + 0.500000i
0 46.7654i 0 −45.0333 0 754.000i 0 −2187.00 0
95.2 0 46.7654i 0 45.0333 0 754.000i 0 −2187.00 0
95.3 0 46.7654i 0 −45.0333 0 754.000i 0 −2187.00 0
95.4 0 46.7654i 0 45.0333 0 754.000i 0 −2187.00 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
24.h odd 2 1 CM by \(\Q(\sqrt{-6}) \)
3.b odd 2 1 inner
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

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 192.8.f.a 4
3.b odd 2 1 inner 192.8.f.a 4
4.b odd 2 1 inner 192.8.f.a 4
8.b even 2 1 inner 192.8.f.a 4
8.d odd 2 1 inner 192.8.f.a 4
12.b even 2 1 inner 192.8.f.a 4
24.f even 2 1 inner 192.8.f.a 4
24.h odd 2 1 CM 192.8.f.a 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
192.8.f.a 4 1.a even 1 1 trivial
192.8.f.a 4 3.b odd 2 1 inner
192.8.f.a 4 4.b odd 2 1 inner
192.8.f.a 4 8.b even 2 1 inner
192.8.f.a 4 8.d odd 2 1 inner
192.8.f.a 4 12.b even 2 1 inner
192.8.f.a 4 24.f even 2 1 inner
192.8.f.a 4 24.h odd 2 1 CM

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{2} - 2028 \) acting on \(S_{8}^{\mathrm{new}}(192, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( (T^{2} + 2187)^{2} \) Copy content Toggle raw display
$5$ \( (T^{2} - 2028)^{2} \) Copy content Toggle raw display
$7$ \( (T^{2} + 568516)^{2} \) Copy content Toggle raw display
$11$ \( (T^{2} + 32709612)^{2} \) Copy content Toggle raw display
$13$ \( T^{4} \) Copy content Toggle raw display
$17$ \( T^{4} \) Copy content Toggle raw display
$19$ \( T^{4} \) Copy content Toggle raw display
$23$ \( T^{4} \) Copy content Toggle raw display
$29$ \( (T^{2} - 5615840268)^{2} \) Copy content Toggle raw display
$31$ \( (T^{2} + 109806076900)^{2} \) Copy content Toggle raw display
$37$ \( T^{4} \) Copy content Toggle raw display
$41$ \( T^{4} \) Copy content Toggle raw display
$43$ \( T^{4} \) Copy content Toggle raw display
$47$ \( T^{4} \) Copy content Toggle raw display
$53$ \( (T^{2} - 4641458615148)^{2} \) Copy content Toggle raw display
$59$ \( (T^{2} + 7762723970508)^{2} \) Copy content Toggle raw display
$61$ \( T^{4} \) Copy content Toggle raw display
$67$ \( T^{4} \) Copy content Toggle raw display
$71$ \( T^{4} \) Copy content Toggle raw display
$73$ \( (T - 2819362)^{4} \) Copy content Toggle raw display
$79$ \( (T^{2} + 57172804012900)^{2} \) Copy content Toggle raw display
$83$ \( (T^{2} + 38601644004300)^{2} \) Copy content Toggle raw display
$89$ \( T^{4} \) Copy content Toggle raw display
$97$ \( (T + 11745214)^{4} \) Copy content Toggle raw display
show more
show less