Properties

Label 1.6.L.48.48c
  
Name \(L_2(O_1)\)
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:$\begin{bmatrix}1 & 0 & 0 & 0 & 0 & 0 \\0 & 1 & 0 & 0 & 0 & 0 \\0 & 0 & 0 & 1 &0 & 0 \\0 & 0 & -1 & 0 & 0 & 0 \\0 & 0 & 0 & 0 & 0 & 1 \\0 & 0 & 0 & 0 & -1 & 0 \\\end{bmatrix}, \begin{bmatrix}1 & 0 & 0 & 0 & 0 & 0 \\0 & 1 & 0 & 0 & 0 & 0 \\0 & 0 & \frac{1+i}{2} & \frac{1+i}{2} & 0 & 0 \\0 & 0 & \frac{-1+i}{2} & \frac{1-i}{2} & 0 & 0 \\0 & 0 & 0 & 0 & \frac{1-i}{2} & \frac{1-i}{2} \\0 & 0 & 0 & 0 & \frac{-1-i}{2} & \frac{1+i}{2} \\\end{bmatrix}, \begin{bmatrix}1 & 0 & 0 & 0 & 0 & 0 \\0 & 1 & 0 & 0 & 0 & 0 \\0 & 0 & 0 & 0 & 0 & \zeta_{8}^{1} \\0 & 0 & 0 & 0 & \zeta_{8}^{3} & 0 \\0 & 0 & 0 & \zeta_{8}^{3} & 0 & 0 \\0 & 0 & \zeta_{8}^{1} & 0 & 0 & 0 \\\end{bmatrix}, \begin{bmatrix}0 & 1 & 0 & 0 & 0 & 0\\-1 & 0 & 0 & 0 & 0 & 0 \\0 & 0 & 1 & 0 & 0 & 0 \\0 & 0 & 0 & 1 & 0 & 0 \\0 & 0& 0 & 0 & 1 & 0 \\0 & 0 & 0 & 0 & 0 & 1 \\\end{bmatrix}$

Subgroups and supergroups

Maximal subgroups:$L_2(T)$, $L_2(D_{4,1})$, $L(O_1,T)$, $L_2(D_{3,2})$, $L_1(O_1)$
Minimal supergroups:$L_2(J(O))$

Moment sequences

$x$ $\mathrm{E}[x^{0}]$ $\mathrm{E}[x^{1}]$ $\mathrm{E}[x^{2}]$ $\mathrm{E}[x^{3}]$ $\mathrm{E}[x^{4}]$ $\mathrm{E}[x^{5}]$ $\mathrm{E}[x^{6}]$ $\mathrm{E}[x^{7}]$ $\mathrm{E}[x^{8}]$ $\mathrm{E}[x^{9}]$ $\mathrm{E}[x^{10}]$ $\mathrm{E}[x^{11}]$ $\mathrm{E}[x^{12}]$
$a_1$ $1$ $0$ $2$ $0$ $15$ $0$ $205$ $0$ $4025$ $0$ $97587$ $0$ $2683758$
$a_2$ $1$ $2$ $7$ $33$ $217$ $1882$ $19720$ $231275$ $2895849$ $37705926$ $503155552$ $6824542375$ $93633631338$
$a_3$ $1$ $0$ $7$ $0$ $474$ $0$ $90410$ $0$ $25064662$ $0$ $7893957582$ $0$ $2627005356030$

Moment simplex

$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=2\right)\colon$ $2$ $2$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=4\right)\colon$ $7$ $3$ $8$ $15$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=6\right)\colon$ $7$ $33$ $17$ $50$ $30$ $98$ $205$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=8\right)\colon$ $39$ $217$ $120$ $73$ $404$ $240$ $848$ $500$ $1830$ $4025$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=10\right)\colon$ $305$ $1882$ $180$ $1067$ $624$ $3940$ $2279$ $1330$ $8643$ $4980$ $19226$ $11025$ $43162$ $97587$
$\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}a_3^{e_3}\right]:\sum ie_i=12\right)\colon$ $474$ $2930$ $19720$ $1693$ $11141$ $6369$ $43670$ $3659$ $24750$ $14092$ $98417$ $55589$ $31541$ $223389$
$$ $125783$ $509684$ $286146$ $1167600$ $2683758$

Moment matrix

$\mathrm{E}\left[\chi_i\chi_j\right] = \begin{bmatrix}1&0&1&0&0&0&0&2&0&0&0&0&0&0&1\\0&2&0&1&0&3&0&0&3&0&2&0&2&6&0\\1&0&4&0&1&0&4&7&0&1&0&6&0&0&13\\0&1&0&3&0&4&0&0&5&0&1&0&8&9&0\\0&0&1&0&6&0&5&3&0&6&0&13&0&0&17\\0&3&0&4&0&15&0&0&17&0&10&0&26&40&0\\0&0&4&0&5&0&16&11&0&10&0&26&0&0&53\\2&0&7&0&3&0&11&25&0&8&0&26&0&0&63\\0&3&0&5&0&17&0&0&29&0&11&0&39&61&0\\0&0&1&0&6&0&10&8&0&17&0&22&0&0&53\\0&2&0&1&0&10&0&0&11&0&12&0&19&31&0\\0&0&6&0&13&0&26&26&0&22&0&65&0&0&121\\0&2&0&8&0&26&0&0&39&0&19&0&72&95&0\\0&6&0&9&0&40&0&0&61&0&31&0&95&154&0\\1&0&13&0&17&0&53&63&0&53&0&121&0&0&294\end{bmatrix}$

$\ \ \ \mathrm{E}\left[\chi_i^2\right] = \begin{bmatrix}1&2&4&3&6&15&16&25&29&17&12&65&72&154&294&153&165&357&314&95\end{bmatrix}$

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$$0$$0$$1/4$$0$$1/4$
$a_1=0$$5/16$$1/4$$0$$0$$1/8$$0$$1/8$
$a_3=0$$7/16$$3/8$$0$$0$$1/4$$0$$1/8$
$a_1=a_3=0$$5/16$$1/4$$0$$0$$1/8$$0$$1/8$