Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #1426 |
| automorphism | ? |
| homology | Abelianization (H1) = C4×C8 · Schur multiplier (H2) = C2×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | #367 |
| commutator | C16 | C4×C8 |
| Frattini, cosocle | C2×C4×C16 | C22 |
| socle | C22 | #1380 |
| prime radical | C23 | #357 |
| LCS | G ▷ C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C2×C42 ◁ C2×C4×C8 ◁ C2×C4×C16 ◁ G | |
| LECS | G ▷ C2×C4×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
168 conjugacy classes of subgroups; only the 84 normal subgroups are shown.
This group has 168 conjugacy classes of subgroups — too many to draw. Only its 84 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:
(1,2,4,7,5,8,3,6)(9,10,13,18,16,21,30,22)(11,23,24,40,19,12,27,29)(14,34,32,26,35,39,31,17)(15,36,33,20,37,38,28,25);(2,6,8,7)(9,11,14,25,15,26,12,22,30,24,31,36,28,39,40,10,16,19,35,20,37,17,23,18,13,27,32,38,33,34,29,21)Polycyclic presentation:
2^9|a^2=d,b^2=e,c^2=fhi,d^2=g,e^2=fgi,f^2=hi,h^2=i,b^a=bc,c^a=cf,e^a=efhi,f^a=fh,h^a=hi,d^b=di104 conjugacy classes — view the full character table.
| maximal subgroup of | #72223651, C8×#1426, #72223678, … |
| maximal normal subgroup of | #72223651, C8×#1426, #72223678, … |
| maximal quotient of | C2×#94047, #72227005 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 1243);