Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #29742 |
| automorphism | Aut(G) order 262144 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C43 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | #2867 | C2 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C43 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
515 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(1,2,4,5)(3,6,7,8)(9,10)(11,13)(12,14)(15,16)(17,18,21,19,22,23,20,24);(2,5)(6,8)(9,11,12,15)(10,13,14,16)(17,19,20,18,22,24,21,23);(3,7)(6,8)(10,14)(13,16)(18,19)(20,21)(23,24);(1,3,4,7)(2,6,5,8)(18,23)(19,24)Polycyclic presentation:
2^8|a^2=eg,b^2=f,d^2=e,f^2=h,g^2=h,b^a=be,c^a=cf,d^a=dh,c^b=cg,d^b=dh,d^c=de,f^c=fh,g^c=gh40 conjugacy classes — view the full character table.
| maximal subgroup of | #176783, #176785, #176807, … |
| maximal normal subgroup of | #176783, #176785, #176807, … |
| maximal quotient of | #380170, #380608, #381040, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 23212);