Invariants
| Weight: | $6$ |
| Degree: | $2$ |
| $\mathbb{R}$-dimension: | $1$ |
| Components: | $900$ |
| Contained in: | $\mathrm{O}(2)$ |
| Rational: | yes |
Identity component
| Name: | $\mathrm{U}(1)$ | ||
| $\mathbb{R}$-dimension: | $1$ | ||
| Description: | $\left\{\begin{bmatrix}\alpha&0\\0&\bar\alpha\end{bmatrix}:\alpha\bar\alpha = 1,\ \alpha\in\mathbb{C}\right\}$ | Symplectic form: | $\begin{bmatrix}0&1\\-1&0\end{bmatrix}$ |
| Hodge circle: | $u\mapsto\mathrm{diag}(u,\bar u)$ |
Component group
| Name: | $D_{450}$ |
| Order: | $900$ |
| Abelian: | no |
| Generators: | $\begin{bmatrix}0&1\\-1&0\end{bmatrix}, \begin{bmatrix}1&0\\0&\zeta_{450}\end{bmatrix}$ |
Subgroups and supergroups
| Maximal subgroups: | 6.2.B.D225, 6.2.B.D150, 6.2.B.D90 |
| Minimal supergroups: | 6.2.B.D900, 6.2.B.D1350, 6.2.B.D2250, $\cdots$ |
Moment sequences
| $x$ | $\mathrm{E}[x^{0}]$ | $\mathrm{E}[x^{1}]$ | $\mathrm{E}[x^{2}]$ | $\mathrm{E}[x^{3}]$ | $\mathrm{E}[x^{4}]$ | $\mathrm{E}[x^{5}]$ | $\mathrm{E}[x^{6}]$ | $\mathrm{E}[x^{7}]$ | $\mathrm{E}[x^{8}]$ | $\mathrm{E}[x^{9}]$ | $\mathrm{E}[x^{10}]$ | $\mathrm{E}[x^{11}]$ | $\mathrm{E}[x^{12}]$ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| $a_1$ | $1$ | $0$ | $0$ | $0$ | $0$ | $0$ | $0$ | $0$ | $0$ | $0$ | $0$ | $0$ | $0$ |