Properties

Label 1.6.M.3.1a
  
Name \(M(C_3)\)
Weight $1$
Degree $6$
Real dimension $3$
Components $3$
Contained in \(\mathrm{USp}(6)\)
Identity component \(\mathrm{SU}(2)_3\)
Component group \(C_3\)

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Invariants

Weight:$1$
Degree:$6$
$\mathbb{R}$-dimension:$3$
Components:$3$
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:$C_3$
Order:$3$
Abelian:yes
Generators:$\begin{bmatrix}1 & 0 & 0 & 0 & 0 & 0 \\0 & -1/2 & \sqrt{3}/2 & 0 & 0 & 0 \\0 &-\sqrt{3}/2 & -1/2 & 0 & 0 & 0 \\0 & 0 & 0 & 1 & 0 & 0 \\0 & 0 & 0 & 0 & -1/2 & \sqrt{3}/2 \\0 & 0 & 0 & 0 & -\sqrt{3}/2 & -1/2 \\\end{bmatrix}$

Subgroups and supergroups

Maximal subgroups:$M(C_1)$
Minimal supergroups:$M(C_6)$, $M(D_3)$, $M(A_4)$

Moment sequences

$x$ $\mathrm{E}[x^{0}]$ $\mathrm{E}[x^{1}]$ $\mathrm{E}[x^{2}]$ $\mathrm{E}[x^{3}]$ $\mathrm{E}[x^{4}]$ $\mathrm{E}[x^{5}]$ $\mathrm{E}[x^{6}]$ $\mathrm{E}[x^{7}]$ $\mathrm{E}[x^{8}]$ $\mathrm{E}[x^{9}]$ $\mathrm{E}[x^{10}]$ $\mathrm{E}[x^{11}]$ $\mathrm{E}[x^{12}]$
$a_1$ $1$ $0$ $3$ $0$ $54$ $0$ $1215$ $0$ $30618$ $0$ $826686$ $0$ $23383404$
$a_2$ $1$ $2$ $15$ $135$ $1377$ $15228$ $177633$ $2150550$ $26757945$ $340004142$ $4393068453$ $57538939923$ $762200653815$
$a_3$ $1$ $0$ $23$ $0$ $3696$ $0$ $853742$ $0$ $228441640$ $0$ $66539338551$ $0$ $20483985509196$

Moment simplex

$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=2\right)\colon$ $2$ $3$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=4\right)\colon$ $15$ $8$ $27$ $54$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=6\right)\colon$ $23$ $135$ $75$ $270$ $153$ $567$ $1215$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=8\right)\colon$ $211$ $1377$ $774$ $438$ $2916$ $1647$ $6318$ $3564$ $13851$ $30618$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=10\right)\colon$ $2241$ $15228$ $1266$ $8559$ $4824$ $33291$ $18711$ $10530$ $73629$ $41310$ $164025$ $91854$ $367416$ $826686$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=12\right)\colon$ $3696$ $25317$ $177633$ $14238$ $99468$ $55782$ $395847$ $31320$ $221373$ $123930$ $887922$ $495720$ $277020$ $2001105$
$$ $1115370$ $4527090$ $2519424$ $10274526$ $23383404$

Moment matrix

$\mathrm{E}\left[\chi_i\chi_j\right] = \begin{bmatrix}1&0&1&0&1&0&4&5&0&3&0&5&0&0&12\\0&3&0&5&0&16&0&0&24&0&8&0&30&50&0\\1&0&12&0&11&0&31&40&0&26&0&58&0&0&140\\0&5&0&10&0&28&0&0&45&0&18&0&60&98&0\\1&0&11&0&15&0&40&45&0&37&0&81&0&0&184\\0&16&0&28&0&108&0&0&168&0&68&0&240&372&0\\4&0&31&0&40&0&112&131&0&104&0&230&0&0&532\\5&0&40&0&45&0&131&162&0&120&0&270&0&0&640\\0&24&0&45&0&168&0&0&270&0&114&0&396&615&0\\3&0&26&0&37&0&104&120&0&102&0&225&0&0&520\\0&8&0&18&0&68&0&0&114&0&56&0&180&268&0\\5&0&58&0&81&0&230&270&0&225&0&513&0&0&1192\\0&30&0&60&0&240&0&0&396&0&180&0&612&930&0\\0&50&0&98&0&372&0&0&615&0&268&0&930&1443&0\\12&0&140&0&184&0&532&640&0&520&0&1192&0&0&2820\end{bmatrix}$

$\ \ \ \mathrm{E}\left[\chi_i^2\right] = \begin{bmatrix}1&3&12&10&15&108&112&162&270&102&56&513&612&1443&2820&1341&1401&3228&2640&707\end{bmatrix}$

Event probabilities

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