Properties

Label 1.6.M.12.4a
  
Name \(M(D_6)\)
Weight $1$
Degree $6$
Real dimension $3$
Components $12$
Contained in \(\mathrm{USp}(6)\)
Identity component \(\mathrm{SU}(2)_3\)
Component group \(D_6\)

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Invariants

Weight:$1$
Degree:$6$
$\mathbb{R}$-dimension:$3$
Components:$12$
Contained in:$\mathrm{USp}(6)$
Rational:yes

Identity component

Name:$\mathrm{SU}(2)_3$
$\mathbb{R}$-dimension:$3$
Description:$\left\{\begin{bmatrix}\alpha I_3&\beta I_3\\ \gamma I_3& \delta I_3\end{bmatrix}: \begin{bmatrix}\alpha&\beta\\\gamma&\delta\end{bmatrix}\in\mathrm{SU}(2)\right\}$ Symplectic form:$\begin{bmatrix} 0 & I_3\\ -I_3 & 0\end{bmatrix}$
Hodge circle:$u\mapsto \mathrm{diag}(u,u, u, \bar u, \bar u, \bar u)$

Component group

Name:$D_6$
Order:$12$
Abelian:no
Generators:$\begin{bmatrix}1 & 0 & 0 & 0 & 0 & 0 \\0 & 1/2 & \sqrt{3}/2 & 0 & 0 & 0 \\0 & -\sqrt{3}/2 & 1/2 & 0 & 0 & 0 \\0 & 0 & 0 & 1 & 0 & 0 \\0 & 0 & 0 & 0 & 1/2 & \sqrt{3}/2 \\0 & 0 & 0 & 0 & -\sqrt{3}/2 & 1/2 \\\end{bmatrix}, \begin{bmatrix}1 & 0 & 0 & 0 & 0 & 0 \\0 & 1 & 0 & 0 & 0 & 0 \\0 & 0 & -1 & 0 & 0 & 0 \\0 & 0 & 0 & 1 & 0 & 0 \\0 & 0 & 0 & 0 & 1 & 0 \\0 & 0& 0 & 0 & 0 & -1 \\\end{bmatrix}$

Subgroups and supergroups

Maximal subgroups:$M(D_2)$, $M(C_6)$, $M(D_3)$${}^{\times 2}$
Minimal supergroups:

Moment sequences

$x$ $\mathrm{E}[x^{0}]$ $\mathrm{E}[x^{1}]$ $\mathrm{E}[x^{2}]$ $\mathrm{E}[x^{3}]$ $\mathrm{E}[x^{4}]$ $\mathrm{E}[x^{5}]$ $\mathrm{E}[x^{6}]$ $\mathrm{E}[x^{7}]$ $\mathrm{E}[x^{8}]$ $\mathrm{E}[x^{9}]$ $\mathrm{E}[x^{10}]$ $\mathrm{E}[x^{11}]$ $\mathrm{E}[x^{12}]$
$a_1$ $1$ $0$ $2$ $0$ $20$ $0$ $360$ $0$ $8260$ $0$ $213864$ $0$ $5936040$
$a_2$ $1$ $2$ $8$ $48$ $402$ $4087$ $45972$ $547227$ $6751738$ $85419453$ $1101143724$ $14404829606$ $190692249942$
$a_3$ $1$ $0$ $8$ $0$ $994$ $0$ $217328$ $0$ $57368794$ $0$ $16653607482$ $0$ $5122439794428$

Moment simplex

$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=2\right)\colon$ $2$ $2$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=4\right)\colon$ $8$ $3$ $10$ $20$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=6\right)\colon$ $8$ $48$ $24$ $82$ $47$ $169$ $360$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=8\right)\colon$ $62$ $402$ $220$ $128$ $806$ $463$ $1730$ $990$ $3762$ $8260$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=10\right)\colon$ $612$ $4087$ $349$ $2292$ $1306$ $8776$ $4977$ $2836$ $19305$ $10926$ $42800$ $24150$ $95438$ $213864$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=12\right)\colon$ $994$ $6640$ $45972$ $3764$ $25802$ $14560$ $101790$ $8232$ $57201$ $32208$ $227616$ $127642$ $71720$ $511542$
$$ $286270$ $1154304$ $644676$ $2613684$ $5936040$

Moment matrix

$\mathrm{E}\left[\chi_i\chi_j\right] = \begin{bmatrix}1&0&1&0&0&0&0&3&0&0&0&1&0&0&3\\0&2&0&1&0&5&0&0&6&0&3&0&7&14&0\\1&0&5&0&2&0&8&13&0&4&0&15&0&0&35\\0&1&0&4&0&8&0&0&11&0&4&0&18&24&0\\0&0&2&0&8&0&11&9&0&13&0&24&0&0&46\\0&5&0&8&0&30&0&0&43&0&19&0&62&95&0\\0&0&8&0&11&0&33&30&0&25&0&61&0&0&134\\3&0&13&0&9&0&30&50&0&28&0&66&0&0&161\\0&6&0&11&0&43&0&0&70&0&30&0&98&156&0\\0&0&4&0&13&0&25&28&0&33&0&58&0&0&131\\0&3&0&4&0&19&0&0&30&0&18&0&44&68&0\\1&0&15&0&24&0&61&66&0&58&0&134&0&0&299\\0&7&0&18&0&62&0&0&98&0&44&0&162&231&0\\0&14&0&24&0&95&0&0&156&0&68&0&231&366&0\\3&0&35&0&46&0&134&161&0&131&0&299&0&0&708\end{bmatrix}$

$\ \ \ \mathrm{E}\left[\chi_i^2\right] = \begin{bmatrix}1&2&5&4&8&30&33&50&70&33&18&134&162&366&708&346&364&818&672&190\end{bmatrix}$

Event probabilities

$-$$a_2\in\mathbb{Z}$$a_2=-1$$a_2=0$$a_2=1$$a_2=2$$a_2=3$
$-$$1$$1/6$$0$$1/6$$0$$0$$0$
$a_1=0$$1/6$$1/6$$0$$1/6$$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$