Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #24384 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | #1999 | C2 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
450 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(1,2)(3,7)(4,5)(6,8)(9,10)(11,15)(12,14)(13,16)(17,18,20,23,19,21,24,22);(2,5)(6,7)(9,11)(10,13)(12,16)(14,15)(18,21)(22,23);(11,16)(13,15)(18,22)(20,24)(21,23);(1,3,4,8)(2,6,5,7)(10,14)(13,15)Polycyclic presentation:
2^8|a^2=f,d^2=egh,f^2=h,b^a=be,c^a=cf,d^a=deh,c^b=cg,f^c=fh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#29477, #6464229, #6464248, … |
| maximal normal subgroup of | C2×#29477, #6464229, #6464248, … |
| maximal quotient of | #363396, #363772, #371517, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 22465);