Properties

Label 1.6.K.24.13a
  
Name \(\mathrm{SU}(2)\times J(T)\)
Weight $1$
Degree $6$
Real dimension $4$
Components $24$
Contained in \(\mathrm{USp}(6)\)
Identity component \(\mathrm{SU}(2)\times\mathrm{U}(1)_2\)
Component group \(C_2\times A_4\)

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Invariants

Weight:$1$
Degree:$6$
$\mathbb{R}$-dimension:$4$
Components:$24$
Contained in:$\mathrm{USp}(6)$
Rational:yes

Identity component

Name:$\mathrm{SU}(2)\times\mathrm{U}(1)_2$
$\mathbb{R}$-dimension:$4$
Description:$\left\{\begin{bmatrix}A&0&0\\0&\alpha I_2&0\\0&0&\bar\alpha I_2\end{bmatrix}: A\in\mathrm{SU}(2),\ \alpha\bar\alpha = 1,\ \alpha\in\mathbb{C}\right\}$ Symplectic form:$\begin{bmatrix}J_2&0&0\\0&0&I_2\\0&-I_2&0\end{bmatrix},\ J_2:=\begin{bmatrix}0&1\\-1&0\end{bmatrix}$
Hodge circle:$u\mapsto\mathrm{diag}(u,\bar u, u, u,\bar u, \bar u)$

Component group

Name:$C_2\times A_4$
Order:$24$
Abelian:no
Generators:$\begin{bmatrix}1 & 0 & 0 & 0 & 0 & 0 \\0 & 1 & 0 & 0 & 0 & 0 \\0 & 0 & 0 & 1 &0 & 0 \\0 & 0 & -1 & 0 & 0 & 0 \\0 & 0 & 0 & 0 & 0 & 1 \\0 & 0 & 0 & 0 & -1 & 0 \\\end{bmatrix}, \begin{bmatrix}1 & 0 & 0 & 0 & 0 & 0 \\0 & 1 & 0 & 0 & 0 & 0 \\0 & 0 & \frac{1+i}{2} & \frac{1+i}{2} & 0 & 0 \\0 & 0 & \frac{-1+i}{2} & \frac{1-i}{2} & 0 & 0 \\0 & 0 & 0 & 0 & \frac{1-i}{2} & \frac{1-i}{2} \\0 & 0 & 0 & 0 & \frac{-1-i}{2} & \frac{1+i}{2} \\\end{bmatrix}, \begin{bmatrix}1 & 0 & 0 & 0 & 0 & 0 \\0 & 1 & 0 & 0 & 0 & 0 \\0 & 0 & 0 & 0 & 0 & 1 \\0 & 0 & 0 & 0 & -1 & 0 \\0 & 0 & 0 & -1 & 0 & 0 \\0 & 0 & 1 & 0 & 0 & 0 \\\end{bmatrix}$

Subgroups and supergroups

Maximal subgroups:$\mathrm{SU}(2)\times J(D_2)$, $\mathrm{SU}(2)\times T$, $\mathrm{SU}(2)\times J(C_3)$
Minimal supergroups:$\mathrm{SU}(2)\times J(O)$

Moment sequences

$x$ $\mathrm{E}[x^{0}]$ $\mathrm{E}[x^{1}]$ $\mathrm{E}[x^{2}]$ $\mathrm{E}[x^{3}]$ $\mathrm{E}[x^{4}]$ $\mathrm{E}[x^{5}]$ $\mathrm{E}[x^{6}]$ $\mathrm{E}[x^{7}]$ $\mathrm{E}[x^{8}]$ $\mathrm{E}[x^{9}]$ $\mathrm{E}[x^{10}]$ $\mathrm{E}[x^{11}]$ $\mathrm{E}[x^{12}]$
$a_1$ $1$ $0$ $2$ $0$ $14$ $0$ $185$ $0$ $3444$ $0$ $77658$ $0$ $1957164$
$a_2$ $1$ $2$ $7$ $32$ $206$ $1702$ $16560$ $178194$ $2043424$ $24438104$ $300910448$ $3784827422$ $48386311451$
$a_3$ $1$ $0$ $7$ $0$ $442$ $0$ $70740$ $0$ $16119222$ $0$ $4269443640$ $0$ $1223582836080$

Moment simplex

$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=2\right)\colon$ $2$ $2$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=4\right)\colon$ $7$ $3$ $8$ $14$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=6\right)\colon$ $7$ $32$ $17$ $49$ $29$ $92$ $185$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=8\right)\colon$ $38$ $206$ $116$ $70$ $379$ $225$ $769$ $455$ $1610$ $3444$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=10\right)\colon$ $290$ $1702$ $170$ $980$ $575$ $3475$ $2027$ $1191$ $7396$ $4305$ $16020$ $9289$ $35112$ $77658$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=12\right)\colon$ $442$ $2614$ $16560$ $1524$ $9512$ $5506$ $35670$ $3197$ $20519$ $11842$ $78264$ $44896$ $25838$ $173416$
$$ $99211$ $387002$ $220836$ $868392$ $1957164$

Moment matrix

$\mathrm{E}\left[\chi_i\chi_j\right] = \begin{bmatrix}1&0&1&0&0&0&0&2&0&0&0&0&0&0&1\\0&2&0&1&0&3&0&0&3&0&1&0&2&6&0\\1&0&4&0&1&0&4&6&0&1&0&6&0&0&12\\0&1&0&3&0&4&0&0&4&0&1&0&7&9&0\\0&0&1&0&5&0&5&4&0&5&0&10&0&0&15\\0&3&0&4&0&14&0&0&16&0&8&0&22&34&0\\0&0&4&0&5&0&14&11&0&8&0&22&0&0&43\\2&0&6&0&4&0&11&21&0&9&0&22&0&0&50\\0&3&0&4&0&16&0&0&26&0&10&0&30&49&0\\0&0&1&0&5&0&8&9&0&13&0&17&0&0&38\\0&1&0&1&0&8&0&0&10&0&10&0&16&23&0\\0&0&6&0&10&0&22&22&0&17&0&51&0&0&92\\0&2&0&7&0&22&0&0&30&0&16&0&56&72&0\\0&6&0&9&0&34&0&0&49&0&23&0&72&115&0\\1&0&12&0&15&0&43&50&0&38&0&92&0&0&204\end{bmatrix}$

$\ \ \ \mathrm{E}\left[\chi_i^2\right] = \begin{bmatrix}1&2&4&3&5&14&14&21&26&13&10&51&56&115&204&95&107&219&170&52\end{bmatrix}$

Event probabilities

$-$$a_2\in\mathbb{Z}$$a_2=-1$$a_2=0$$a_2=1$$a_2=2$$a_2=3$
$-$$1$$1/2$$1/24$$0$$0$$1/3$$1/8$
$a_1=0$$0$$0$$0$$0$$0$$0$$0$
$a_3=0$$0$$0$$0$$0$$0$$0$$0$
$a_1=a_3=0$$0$$0$$0$$0$$0$$0$$0$