Properties

Label 1.6.K.12.4b
  
Name \(\mathrm{SU}(2)\times D_{6,1}\)
Weight $1$
Degree $6$
Real dimension $4$
Components $12$
Contained in \(\mathrm{USp}(6)\)
Identity component \(\mathrm{SU}(2)\times\mathrm{U}(1)_2\)
Component group \(D_6\)

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Invariants

Weight:$1$
Degree:$6$
$\mathbb{R}$-dimension:$4$
Components:$12$
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:$D_6$
Order:$12$
Abelian:no
Generators:$\begin{bmatrix}1 & 0 & 0 & 0 & 0 & 0 \\0 & 1 & 0 & 0 & 0 & 0 \\0 & 0 & 0 & 0 &0 & \zeta_{12}^{1} \\0 & 0 & 0 & 0 & \zeta_{12}^{5} & 0 \\0 & 0 & 0 & \zeta_{12}^{5} & 0 & 0 \\0 & 0 & \zeta_{12}^{1} & 0 & 0 & 0 \\\end{bmatrix}, \begin{bmatrix}1 & 0 & 0 & 0 & 0 & 0 \\0 & 1 & 0 & 0 & 0 & 0 \\0 & 0 & 0 & 1 & 0 & 0 \\0 & 0 & -1 & 0 & 0 & 0 \\0 & 0 & 0 & 0 & 0 & 1 \\0 & 0& 0 & 0 & -1 & 0 \\\end{bmatrix}$

Subgroups and supergroups

Maximal subgroups:$\mathrm{SU}(2)\times D_{3,2}$, $\mathrm{SU}(2)\times D_3$, $\mathrm{SU}(2)\times C_{6,1}$, $\mathrm{SU}(2)\times D_{2,1}$
Minimal supergroups:$\mathrm{SU}(2)\times J(D_6)$${}^{\times 2}$

Moment sequences

$x$ $\mathrm{E}[x^{0}]$ $\mathrm{E}[x^{1}]$ $\mathrm{E}[x^{2}]$ $\mathrm{E}[x^{3}]$ $\mathrm{E}[x^{4}]$ $\mathrm{E}[x^{5}]$ $\mathrm{E}[x^{6}]$ $\mathrm{E}[x^{7}]$ $\mathrm{E}[x^{8}]$ $\mathrm{E}[x^{9}]$ $\mathrm{E}[x^{10}]$ $\mathrm{E}[x^{11}]$ $\mathrm{E}[x^{12}]$
$a_1$ $1$ $0$ $2$ $0$ $17$ $0$ $280$ $0$ $5999$ $0$ $145593$ $0$ $3801006$
$a_2$ $1$ $2$ $8$ $42$ $307$ $2827$ $29686$ $335022$ $3949931$ $47979189$ $595837954$ $7529147881$ $96494854418$
$a_3$ $1$ $0$ $8$ $0$ $696$ $0$ $131965$ $0$ $31660496$ $0$ $8500033542$ $0$ $2444374091412$

Moment simplex

$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=2\right)\colon$ $2$ $2$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=4\right)\colon$ $8$ $3$ $9$ $17$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=6\right)\colon$ $8$ $42$ $21$ $66$ $38$ $132$ $280$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=8\right)\colon$ $51$ $307$ $168$ $99$ $590$ $344$ $1254$ $730$ $2725$ $5999$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=10\right)\colon$ $444$ $2827$ $256$ $1601$ $926$ $5980$ $3447$ $1998$ $13120$ $7555$ $29090$ $16709$ $64918$ $145593$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=12\right)\colon$ $696$ $4442$ $29686$ $2556$ $16885$ $9677$ $65431$ $5561$ $37348$ $21373$ $146188$ $83305$ $47587$ $328421$
$$ $186816$ $740712$ $420609$ $1675758$ $3801006$

Moment matrix

$\mathrm{E}\left[\chi_i\chi_j\right] = \begin{bmatrix}1&0&1&0&0&0&0&3&0&0&0&0&0&0&2\\0&2&0&1&0&4&0&0&5&0&2&0&4&10&0\\1&0&5&0&1&0&6&10&0&2&0&10&0&0&22\\0&1&0&4&0&6&0&0&7&0&2&0&12&16&0\\0&0&1&0&7&0&8&6&0&9&0&19&0&0&29\\0&4&0&6&0&22&0&0&28&0&15&0&42&63&0\\0&0&6&0&8&0&23&19&0&15&0&42&0&0&82\\3&0&10&0&6&0&19&36&0&15&0&42&0&0&96\\0&5&0&7&0&28&0&0&44&0&19&0&60&94&0\\0&0&2&0&9&0&15&15&0&21&0&35&0&0&74\\0&2&0&2&0&15&0&0&19&0&16&0&32&46&0\\0&0&10&0&19&0&42&42&0&35&0&97&0&0&182\\0&4&0&12&0&42&0&0&60&0&32&0&106&142&0\\0&10&0&16&0&63&0&0&94&0&46&0&142&222&0\\2&0&22&0&29&0&82&96&0&74&0&182&0&0&400\end{bmatrix}$

$\ \ \ \mathrm{E}\left[\chi_i^2\right] = \begin{bmatrix}1&2&5&4&7&22&23&36&44&21&16&97&106&222&400&184&205&419&330&89\end{bmatrix}$

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$$0$$1/6$$0$$0$$1/3$
$a_1=0$$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$