Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #94184 |
| automorphism | ? |
| homology | Abelianization (H1) = C42 · Schur multiplier (H2) = C22 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #1390 |
| commutator | C2×C4⋊C4 | C42 |
| Frattini, cosocle | C4×C4⋊Q8 | C22 |
| prime radical | C23 | #342 |
| LCS | G ▷ C2×C4⋊C4 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C4 ◁ C2×C42 ◁ C4×C4⋊Q8 ◁ G | |
| LECS | G ▷ C4×C4⋊Q8 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1 | |
228 conjugacy classes of subgroups; only the 50 normal subgroups are shown.
This group has 228 conjugacy classes of subgroups — too many to draw. Only its 50 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) = 64 |
A minimal faithful permutation representation — 2 generators on 40 points:
(2,6)(3,4)(7,8)(9,10,13,18,14,20,12,26)(11,21,23,33,24,38,39,16)(15,19,27,34,30,36,29,17)(22,37,31,35,28,32,25,40);(1,2,4,7,5,8,3,6)(9,11,14,24)(10,16)(12,22,13,28)(15,31,30,25)(17,21)(18,35)(19,37)(20,33)(23,27,39,29)(26,40)(32,36)(34,38)Polycyclic presentation:
2^9|a^2=d,b^2=e,c^2=fg,d^2=i,e^2=fgi,f^2=i,g^2=i,b^a=bc,c^a=cf,e^a=efg,f^a=fh,g^a=gh,h^a=hi,d^b=dg,f^b=fi,g^b=gi,h^b=hi,d^c=dhi,f^c=fi,g^c=gi,f^d=fi,g^d=gi50 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 1420);