Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1284 |
| automorphism | ? |
| homology | Abelianization (H1) = C4×C16 · Schur multiplier (H2) = C22 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C8 | #95 |
| commutator | C2×C4 | C4×C16 |
| Frattini, cosocle | C2×C4×C16 | C22 |
| socle | C22 | #1374 |
| prime radical | C23 | C22⋊C16 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C8 ◁ C2×C4×C16 ◁ G | |
| LECS | G ▷ C2×C4×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
180 conjugacy classes of subgroups; only the 74 normal subgroups are shown.
This group has 180 conjugacy classes of subgroups — too many to draw. Only its 74 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 2 generators on 40 points:
(1,2)(3,5)(4,7)(6,8)(9,10,11,16,13,17,20,28,14,18,21,29,24,30,33,38,12,15,19,25,22,26,31,35,23,27,32,36,34,37,39,40);(2,5,7,6)(10,15)(11,19)(17,26)(18,27)(20,31)(21,32)(30,37)(33,39)Polycyclic presentation:
2^9|a^2=d,b^2=e,c^2=fi,d^2=g,g^2=h,h^2=i,b^a=bc,c^a=cf,e^a=efi,d^b=di128 conjugacy classes — view the full character table.
| maximal subgroup of | #72225407, #72225497, #72225503, … |
| maximal normal subgroup of | #72225407, #72225497, #72225503, … |
| maximal quotient of | #72225404 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 1207);