Properties

Label 1.4.1.8.5a
  
Name \(J(D_2)\)
Weight 1
Degree 4
Real dimension 1
Components 8
Contained in \(\mathrm{USp}(4)\)
Identity Component \(\mathrm{U}(1)_2\)
Component group \(C_2^3\)

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Invariants

Weight:$1$
Degree:$4$
$\mathbb{R}$-dimension:$1$
Components:$8$
Contained in:$\mathrm{USp}(4)$
Rational:$\mathrm{True}$

Identity Component

Name:$\mathrm{U}(1)_2$
Index:$8$
$\mathbb{R}$-dimension:$1$
Description:$\left\{\begin{bmatrix}\mathrm{diag}_2(\alpha)&0\\0&\mathrm{diag}_2(\bar\alpha)\end{bmatrix}: \alpha\bar\alpha = 1,\ \alpha\in\mathbb{C}\right\},\ \mathrm{diag}_2(\alpha):=\begin{bmatrix}\alpha&0\\0&\alpha\end{bmatrix}$

Component Group

Name:$C_2^3$
Order:$8$
Abelian:$\mathrm{True}$

Subgroups and Supergroups

Maximal Subgroups:$D_2$, $J(C_2)$, $D_{2,1}$
Minimal Supergroups:$J(D_4)$, $J(D_6)$, $J(T)$

Moment Statistics

$x$ $\mathrm{E}[x^{0}]$ $\mathrm{E}[x^{1}]$ $\mathrm{E}[x^{2}]$ $\mathrm{E}[x^{3}]$ $\mathrm{E}[x^{4}]$ $\mathrm{E}[x^{5}]$ $\mathrm{E}[x^{6}]$ $\mathrm{E}[x^{7}]$ $\mathrm{E}[x^{8}]$ $\mathrm{E}[x^{9}]$ $\mathrm{E}[x^{10}]$ $\mathrm{E}[x^{11}]$ $\mathrm{E}[x^{12}]$
$a_1$ $1$ $0$ $1$ $0$ $12$ $0$ $160$ $0$ $2240$ $0$ $32256$ $0$ $473088$
$a_2$ $1$ $1$ $5$ $13$ $67$ $311$ $1694$ $9206$ $51587$ $290875$ $1654810$ $9460826$ $54335230$

Event Probabilities

$\mathrm{P}[a_1=0]=\frac{7}{8}$
$\mathrm{P}[a_2=-2]=\frac{1}{8}$ $\mathrm{P}[a_2=2]=\frac{3}{8}$