Properties

 Label 1.4.F.12.4a Name $$J(D_3)$$ Weight $1$ Degree $4$ Real dimension $1$ Components $12$ Contained in $$\mathrm{USp}(4)$$ Identity component $$\mathrm{U}(1)_2$$ Component group $$D_6$$

Invariants

 Weight: $1$ Degree: $4$ $\mathbb{R}$-dimension: $1$ Components: $12$ Contained in: $\mathrm{USp}(4)$ Rational: yes

Identity component

 Name: $\mathrm{U}(1)_2$ $\mathbb{R}$-dimension: $1$ Description: $\left\{\begin{bmatrix}\alpha I_2&0\\0&\bar\alpha I_2\end{bmatrix}: \alpha\bar\alpha = 1,\ \alpha\in\mathbb{C}\right\}$ Symplectic form: $\begin{bmatrix}0&I_2\\-I_2&0\end{bmatrix}$ Hodge circle: $u\mapsto\mathrm{diag}(u, u,\bar u,\bar u)$

Component group

 Name: $D_6$ Order: $12$ Abelian: no Generators: $\begin{bmatrix}\zeta_6&0&0&0\\0&\zeta_6^5&0&0\\0&0&\zeta_6^5&0\\0&0&0&\zeta_6\end{bmatrix}, \begin{bmatrix}0&1&0&0\\-1&0&0&0\\0&0&0&1\\0&0&-1&0\end{bmatrix}, \begin{bmatrix}0&0&0&1\\0&0&-1&0\\0&-1&0&0\\1&0&0&0\end{bmatrix}$

Moment sequences

$x$ $\mathrm{E}[x^{0}]$ $\mathrm{E}[x^{1}]$ $\mathrm{E}[x^{2}]$ $\mathrm{E}[x^{3}]$ $\mathrm{E}[x^{4}]$ $\mathrm{E}[x^{5}]$ $\mathrm{E}[x^{6}]$ $\mathrm{E}[x^{7}]$ $\mathrm{E}[x^{8}]$ $\mathrm{E}[x^{9}]$ $\mathrm{E}[x^{10}]$ $\mathrm{E}[x^{11}]$ $\mathrm{E}[x^{12}]$
$a_1$ $1$ $0$ $1$ $0$ $9$ $0$ $110$ $0$ $1505$ $0$ $21546$ $0$ $315546$
$a_2$ $1$ $1$ $4$ $10$ $48$ $216$ $1153$ $6203$ $34576$ $194440$ $1104699$ $6311493$ $36235785$

Moment simplex

 $\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}\right]:\sum ie_i=2\right)\colon$ $\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}\right]:\sum ie_i=4\right)\colon$ $\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}\right]:\sum ie_i=6\right)\colon$ $\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}\right]:\sum ie_i=8\right)\colon$ $\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}\right]:\sum ie_i=10\right)\colon$ $\left(\mathrm{E}\left[a_1^{e_1}a_2^{e_2}\right]:\sum ie_i=12\right)\colon$ $1$ $1$ $4$ $4$ $9$ $10$ $19$ $45$ $110$ $48$ $97$ $238$ $595$ $1505$ $216$ $517$ $1296$ $3286$ $8393$ $21546$ $1153$ $2828$ $7185$ $18385$ $47271$ $121968$ $315546$

Moment matrix

$\mathrm{E}\left[\chi_i\chi_j\right] = \begin{bmatrix}1&0&0&0&0&2&0&0&0&0\\0&1&0&0&2&0&2&0&4&0\\0&0&3&0&0&0&0&6&0&8\\0&0&0&5&0&4&0&7&0&3\\0&2&0&0&7&0&7&0&14&0\\2&0&0&4&0&11&0&6&0&2\\0&2&0&0&7&0&9&0&16&0\\0&0&6&7&0&6&0&29&0&25\\0&4&0&0&14&0&16&0&31&0\\0&0&8&3&0&2&0&25&0&30\end{bmatrix}$

$\ \ \ \mathrm{E}\left[\chi_i^2\right] = \begin{bmatrix}1&1&3&5&7&11&9&29&31&30\end{bmatrix}$

Event probabilities

$-$$a_2\in\mathbb{Z}$$a_2=-2$$a_2=-1$$a_2=0$$a_2=1$$a_2=2$
$-$$1$$1/2$$1/12$$0$$0$$1/6$$1/4 a_1=0$$3/4$$1/2$$1/12$$0$$0$$1/6$$1/4$