Properties

Label 1.6.M.6.1a
  
Name \(M(D_3)\)
Weight $1$
Degree $6$
Real dimension $3$
Components $6$
Contained in \(\mathrm{USp}(6)\)
Identity component \(\mathrm{SU}(2)_3\)
Component group \(S_3\)

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Invariants

Weight:$1$
Degree:$6$
$\mathbb{R}$-dimension:$3$
Components:$6$
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:$S_3$
Order:$6$
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:$M(C_3)$, $M(C_2)$
Minimal supergroups:$M(D_6)$${}^{\times 2}$, $M(S_4)$

Moment sequences

$x$ $\mathrm{E}[x^{0}]$ $\mathrm{E}[x^{1}]$ $\mathrm{E}[x^{2}]$ $\mathrm{E}[x^{3}]$ $\mathrm{E}[x^{4}]$ $\mathrm{E}[x^{5}]$ $\mathrm{E}[x^{6}]$ $\mathrm{E}[x^{7}]$ $\mathrm{E}[x^{8}]$ $\mathrm{E}[x^{9}]$ $\mathrm{E}[x^{10}]$ $\mathrm{E}[x^{11}]$ $\mathrm{E}[x^{12}]$
$a_1$ $1$ $0$ $2$ $0$ $28$ $0$ $610$ $0$ $15316$ $0$ $413364$ $0$ $11691768$
$a_2$ $1$ $2$ $10$ $74$ $706$ $7662$ $88950$ $1075650$ $13380034$ $170005094$ $2196542878$ $28769494822$ $381100398590$
$a_3$ $1$ $0$ $12$ $0$ $1850$ $0$ $426888$ $0$ $114221002$ $0$ $33269671410$ $0$ $10241992781020$

Moment simplex

$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=2\right)\colon$ $2$ $2$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=4\right)\colon$ $10$ $4$ $14$ $28$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=6\right)\colon$ $12$ $74$ $38$ $136$ $76$ $284$ $610$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=8\right)\colon$ $106$ $706$ $388$ $220$ $1460$ $824$ $3160$ $1780$ $6926$ $15316$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=10\right)\colon$ $1122$ $7662$ $632$ $4282$ $2412$ $16650$ $9356$ $5268$ $36816$ $20656$ $82014$ $45920$ $183708$ $413364$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=12\right)\colon$ $1850$ $12662$ $88950$ $7120$ $49740$ $27892$ $197934$ $15656$ $110688$ $61964$ $443964$ $247860$ $138520$ $1000554$
$$ $557688$ $2263548$ $1259688$ $5137260$ $11691768$

Moment matrix

$\mathrm{E}\left[\chi_i\chi_j\right] = \begin{bmatrix}1&0&1&0&0&0&1&4&0&1&0&2&0&0&6\\0&2&0&2&0&8&0&0&12&0&4&0&14&26&0\\1&0&7&0&4&0&15&22&0&11&0&28&0&0&70\\0&2&0&6&0&14&0&0&22&0&8&0&32&48&0\\0&0&4&0&10&0&20&20&0&22&0&42&0&0&92\\0&8&0&14&0&54&0&0&84&0&34&0&120&186&0\\1&0&15&0&20&0&59&62&0&51&0&116&0&0&266\\4&0&22&0&20&0&62&88&0&58&0&132&0&0&320\\0&12&0&22&0&84&0&0&136&0&58&0&196&308&0\\1&0&11&0&22&0&51&58&0&57&0&114&0&0&260\\0&4&0&8&0&34&0&0&58&0&30&0&88&134&0\\2&0&28&0&42&0&116&132&0&114&0&258&0&0&596\\0&14&0&32&0&120&0&0&196&0&88&0&312&462&0\\0&26&0&48&0&186&0&0&308&0&134&0&462&724&0\\6&0&70&0&92&0&266&320&0&260&0&596&0&0&1410\end{bmatrix}$

$\ \ \ \mathrm{E}\left[\chi_i^2\right] = \begin{bmatrix}1&2&7&6&10&54&59&88&136&57&30&258&312&724&1410&678&712&1622&1328&364\end{bmatrix}$

Event probabilities

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