Finite Group DatabasebetaFinite Group Databasebeta| order | 20512 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C8 · Schur multiplier (H2) = C1 |
No aliases for this group.
| Fitting | C16×C641 ⋊ C2 |
| Sylow | C641 ⋊ M32 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C8 | C2×D641 |
| commutator, socle | C2×C641 | C2×C8 |
| Fitting | C16×C641 | C2 |
| prime radical | C2×D641 | C8 |
| cosocle | C8×C641 | C22 |
| hypercenter | C16 | D641 |
| hypocenter | C641 | M32 |
| LCS | G ▷ C2×C641 ▷ C641 | |
| UCS | C1 ◁ C8 ◁ C16 | |
26 conjugacy classes of subgroups.
| transitive degree | μt(G) = 10256 |
Polycyclic presentation:
2^5,641|a^2=c,c^2=d,d^2=e,b^a=be,f^b=f^6405140 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20512, 85);