Properties

Label 1.6.N.48.38b
  
Name \(J(B(3,4))\)
Weight $1$
Degree $6$
Real dimension $1$
Components $48$
Contained in \(\mathrm{USp}(6)\)
Identity component \(\mathrm{U}(1)_3\)
Component group \(S_3\times D_4\)

Downloads

Learn more

Invariants

Weight:$1$
Degree:$6$
$\mathbb{R}$-dimension:$1$
Components:$48$
Contained in:$\mathrm{USp}(6)$
Rational:yes

Identity component

Name:$\mathrm{U}(1)_3$
$\mathbb{R}$-dimension:$1$
Description:$\left\{\begin{bmatrix}\alpha I_3&0,\\ 0&\bar \alpha I_3\end{bmatrix}: \alpha\bar\alpha=1,\ \alpha\in\mathbb{C}\right\}$ 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:$S_3\times D_4$
Order:$48$
Abelian:no
Generators:$\begin{bmatrix}1 & 0 & 0 & 0 & 0 & 0 \\0 & \zeta_{3}^{1} & 0 & 0 & 0 & 0 \\0 &0 & \zeta_{3}^{2} & 0 & 0 & 0 \\0 & 0 & 0 & 1 & 0 & 0 \\0 & 0 & 0 & 0 & \zeta_{3}^{2} & 0 \\0 & 0 & 0 & 0 & 0 & \zeta_{3}^{1} \\\end{bmatrix}, \begin{bmatrix}\zeta_{6}^{1} & 0 & 0 & 0 & 0 & 0 \\0 & \zeta_{12}^{5} & 0 & 0 & 0 & 0 \\0 & 0 & \zeta_{12}^{5} & 0 & 0 & 0 \\0 & 0 & 0 & \zeta_{6}^{5} & 0 & 0 \\0 & 0 & 0 & 0 & \zeta_{12}^{7} & 0 \\0 & 0 & 0 & 0 & 0& \zeta_{12}^{7} \\\end{bmatrix}, \begin{bmatrix}-1 & 0 & 0 & 0 & 0 & 0 \\0 & 0& -1 & 0 & 0 & 0 \\0 & -1 & 0 & 0 & 0 & 0 \\0 & 0 & 0 & -1 & 0 & 0 \\0 & 0 & 0 &0 & 0 & -1 \\0 & 0 & 0 & 0 & -1 & 0 \\\end{bmatrix}, \begin{bmatrix}0 & 0 & 0 &1 & 0 & 0 \\0 & 0 & 0 & 0 & 1 & 0 \\0 & 0 & 0 & 0 & 0 & 1 \\-1 & 0 & 0 & 0 & 0 &0 \\0 & -1 & 0 & 0 & 0 & 0 \\0 & 0 & -1 & 0 & 0 & 0 \\\end{bmatrix}$

Subgroups and supergroups

Maximal subgroups:$J(B(3,2))$${}^{\times 2}$, $J(A(2,4))$, $J(A(3,4))$, $J_s(A(3,4))$, $B(3,4)$, $J(B(3,2;2))$${}^{\times 2}$
Minimal supergroups:

Moment sequences

$x$ $\mathrm{E}[x^{0}]$ $\mathrm{E}[x^{1}]$ $\mathrm{E}[x^{2}]$ $\mathrm{E}[x^{3}]$ $\mathrm{E}[x^{4}]$ $\mathrm{E}[x^{5}]$ $\mathrm{E}[x^{6}]$ $\mathrm{E}[x^{7}]$ $\mathrm{E}[x^{8}]$ $\mathrm{E}[x^{9}]$ $\mathrm{E}[x^{10}]$ $\mathrm{E}[x^{11}]$ $\mathrm{E}[x^{12}]$
$a_1$ $1$ $0$ $2$ $0$ $24$ $0$ $480$ $0$ $12250$ $0$ $354312$ $0$ $10994676$
$a_2$ $1$ $2$ $9$ $57$ $514$ $5707$ $70552$ $923841$ $12516476$ $173303451$ $2434719304$ $34551912661$ $493898945734$
$a_3$ $1$ $0$ $9$ $0$ $1333$ $0$ $356670$ $0$ $115640917$ $0$ $40473820854$ $0$ $14673046945414$

Moment simplex

$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=2\right)\colon$ $2$ $2$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=4\right)\colon$ $9$ $3$ $11$ $24$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=6\right)\colon$ $9$ $57$ $28$ $100$ $57$ $216$ $480$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=8\right)\colon$ $74$ $514$ $277$ $162$ $1070$ $610$ $2392$ $1350$ $5390$ $12250$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=10\right)\colon$ $798$ $5707$ $450$ $3152$ $1774$ $12732$ $7114$ $4000$ $29040$ $16176$ $66584$ $36946$ $153300$ $354312$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=12\right)\colon$ $1333$ $9481$ $70552$ $5300$ $38898$ $21588$ $161848$ $12003$ $89328$ $49422$ $374162$ $206008$ $113724$ $867830$
$$ $476798$ $2018450$ $1106700$ $4705848$ $10994676$

Moment matrix

$\mathrm{E}\left[\chi_i\chi_j\right] = \begin{bmatrix}1&0&1&0&0&0&0&4&0&0&0&1&0&0&4\\0&2&0&1&0&6&0&0&8&0&5&0&9&18&0\\1&0&6&0&2&0&10&16&0&5&0&21&0&0&49\\0&1&0&5&0&10&0&0&13&0&5&0&28&32&0\\0&0&2&0&11&0&14&12&0&20&0&35&0&0&68\\0&6&0&10&0&39&0&0&59&0&29&0&93&143&0\\0&0&10&0&14&0&46&39&0&34&0&92&0&0&210\\4&0&16&0&12&0&39&73&0&43&0&101&0&0&258\\0&8&0&13&0&59&0&0&104&0&47&0&153&250&0\\0&0&5&0&20&0&34&43&0&58&0&92&0&0&224\\0&5&0&5&0&29&0&0&47&0&27&0&67&117&0\\1&0&21&0&35&0&92&101&0&92&0&220&0&0&512\\0&9&0&28&0&93&0&0&153&0&67&0&278&395&0\\0&18&0&32&0&143&0&0&250&0&117&0&395&637&0\\4&0&49&0&68&0&210&258&0&224&0&512&0&0&1287\end{bmatrix}$

$\ \ \ \mathrm{E}\left[\chi_i^2\right] = \begin{bmatrix}1&2&6&5&11&39&46&73&104&58&27&220&278&637&1287&684&709&1699&1508&483\end{bmatrix}$

Event probabilities

$-$$a_2\in\mathbb{Z}$$a_2=-1$$a_2=0$$a_2=1$$a_2=2$$a_2=3$
$-$$1$$13/24$$0$$5/24$$0$$0$$1/3$
$a_1=0$$13/24$$13/24$$0$$5/24$$0$$0$$1/3$
$a_3=0$$1/2$$1/2$$0$$1/6$$0$$0$$1/3$
$a_1=a_3=0$$1/2$$1/2$$0$$1/6$$0$$0$$1/3$