Properties

Label 1.6.L.48.48e
  
Name \(L_1(J(O))\)
Weight $1$
Degree $6$
Real dimension $6$
Components $48$
Contained in \(\mathrm{USp}(6)\)
Identity component \(\mathrm{U}(1)\times\mathrm{U}(1)_2\)
Component group \(C_2\times S_4\)

Downloads

Learn more

Invariants

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

Identity component

Name:$\mathrm{U}(1)\times\mathrm{U}(1)_2$
$\mathbb{R}$-dimension:$6$
Description:$\left\{\begin{bmatrix}A&0&0\\0&\alpha I_2&0\\0&0&\bar\alpha I_2\end{bmatrix}: A\in\mathrm{U}(1)\subseteq\mathrm{SU}(2),\ \alpha\bar\alpha = 1,\ \alpha\in\mathbb{C}\right\}$ 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:$C_2\times S_4$
Order:$48$
Abelian:no
Generators:$\begin{bmatrix}1 & 0 & 0 & 0 & 0 & 0 \\0 & 1 & 0 & 0 & 0 & 0 \\0 & 0 & 0 & 1 &0 & 0 \\0 & 0 & -1 & 0 & 0 & 0 \\0 & 0 & 0 & 0 & 0 & 1 \\0 & 0 & 0 & 0 & -1 & 0 \\\end{bmatrix}, \begin{bmatrix}1 & 0 & 0 & 0 & 0 & 0 \\0 & 1 & 0 & 0 & 0 & 0 \\0 & 0 & \frac{1+i}{2} & \frac{1+i}{2} & 0 & 0 \\0 & 0 & \frac{-1+i}{2} & \frac{1-i}{2} & 0 & 0 \\0 & 0 & 0 & 0 & \frac{1-i}{2} & \frac{1-i}{2} \\0 & 0 & 0 & 0 & \frac{-1-i}{2} & \frac{1+i}{2} \\\end{bmatrix}, \begin{bmatrix}1 & 0 & 0 & 0 & 0 & 0 \\0 & 1 & 0 & 0 & 0 & 0 \\0 & 0 & \zeta_{8}^{1} & 0 & 0 & 0 \\0 & 0 & 0 & \zeta_{8}^{7} & 0 & 0 \\0 & 0 & 0 & 0 & \zeta_{8}^{7} & 0 \\0 & 0 & 0 & 0 & 0 & \zeta_{8}^{1} \\\end{bmatrix}, \begin{bmatrix}1 & 0 & 0 & 0 & 0 & 0 \\0& 1 & 0 & 0 & 0 & 0 \\0 & 0 & 0 & 0 & 0 & 1 \\0 & 0 & 0 & 0 & -1 & 0 \\0 & 0 & 0& -1 & 0 & 0 \\0 & 0 & 1 & 0 & 0 & 0 \\\end{bmatrix}$

Subgroups and supergroups

Maximal subgroups:$L_1(J(T))$, $L_1(O)$, $L_1(J(D_3))$, $L_1(J(D_4))$, $L_1(O_1)$
Minimal supergroups:$L_2(J(O))$

Moment sequences

$x$ $\mathrm{E}[x^{0}]$ $\mathrm{E}[x^{1}]$ $\mathrm{E}[x^{2}]$ $\mathrm{E}[x^{3}]$ $\mathrm{E}[x^{4}]$ $\mathrm{E}[x^{5}]$ $\mathrm{E}[x^{6}]$ $\mathrm{E}[x^{7}]$ $\mathrm{E}[x^{8}]$ $\mathrm{E}[x^{9}]$ $\mathrm{E}[x^{10}]$ $\mathrm{E}[x^{11}]$ $\mathrm{E}[x^{12}]$
$a_1$ $1$ $0$ $3$ $0$ $24$ $0$ $340$ $0$ $6475$ $0$ $145278$ $0$ $3643332$
$a_2$ $1$ $2$ $8$ $44$ $329$ $2962$ $29980$ $328757$ $3827507$ $46676330$ $590165678$ $7674277327$ $101983083350$
$a_3$ $1$ $0$ $10$ $0$ $780$ $0$ $131720$ $0$ $31046400$ $0$ $8800210440$ $0$ $2768901971484$

Moment simplex

$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=2\right)\colon$ $2$ $3$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=4\right)\colon$ $8$ $4$ $12$ $24$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=6\right)\colon$ $10$ $44$ $26$ $80$ $48$ $161$ $340$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=8\right)\colon$ $60$ $329$ $194$ $120$ $662$ $398$ $1395$ $830$ $2985$ $6475$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=10\right)\colon$ $496$ $2962$ $294$ $1736$ $1028$ $6294$ $3696$ $2190$ $13632$ $7980$ $29800$ $17360$ $65590$ $145278$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=12\right)\colon$ $780$ $4684$ $29980$ $2752$ $17338$ $10088$ $65637$ $5886$ $37890$ $21958$ $145055$ $83450$ $48220$ $322490$
$$ $184940$ $720566$ $411894$ $1617042$ $3643332$

Moment matrix

$\mathrm{E}\left[\chi_i\chi_j\right] = \begin{bmatrix}1&0&1&0&1&0&0&2&0&1&0&1&0&0&2\\0&3&0&1&0&5&0&0&5&0&4&0&4&10&0\\1&0&5&0&3&0&8&8&0&3&0&13&0&0&22\\0&1&0&5&0&7&0&0&7&0&2&0&16&14&0\\1&0&3&0&8&0&7&10&0&9&0&19&0&0&28\\0&5&0&7&0&25&0&0&29&0&17&0&43&62&0\\0&0&8&0&7&0&27&20&0&12&0&42&0&0&80\\2&0&8&0&10&0&20&33&0&21&0&45&0&0&92\\0&5&0&7&0&29&0&0&47&0&20&0&56&90&0\\1&0&3&0&9&0&12&21&0&26&0&30&0&0&72\\0&4&0&2&0&17&0&0&20&0&18&0&26&47&0\\1&0&13&0&19&0&42&45&0&30&0&94&0&0&170\\0&4&0&16&0&43&0&0&56&0&26&0&110&131&0\\0&10&0&14&0&62&0&0&90&0&47&0&131&210&0\\2&0&22&0&28&0&80&92&0&72&0&170&0&0&380\end{bmatrix}$

$\ \ \ \mathrm{E}\left[\chi_i^2\right] = \begin{bmatrix}1&3&5&5&8&25&27&33&47&26&18&94&110&210&380&194&187&432&353&128\end{bmatrix}$

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$$1/48$$0$$1/8$$1/6$$3/16$
$a_1=0$$0$$0$$0$$0$$0$$0$$0$
$a_3=0$$1/8$$1/8$$0$$0$$1/8$$0$$0$
$a_1=a_3=0$$0$$0$$0$$0$$0$$0$$0$