Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #23860 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C27 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C2×C4×D4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
891 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)(3,4)(9,10)(11,20)(12,17)(13,16)(14,23)(15,19)(18,21)(22,24);(5,6)(7,8)(9,11,15,21)(10,16,19,24)(12,13,14,22)(17,18,23,20);(2,4)(6,8)(9,12,15,14)(10,17,19,23)(11,13,21,22)(16,18,24,20);(9,13,15,22)(10,18,19,20)(11,12,21,14)(16,17,24,23)Polycyclic presentation:
2^8|b^2=h,c^2=h,d^2=h,e^2=h,b^a=be,c^a=cf,d^a=de,e^a=eh,c^b=cg,d^b=dh,e^b=eh,e^d=eh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#23871, #6437509, #6437512, … |
| maximal normal subgroup of | C2×#23871, #6437509, #6437512, … |
| maximal quotient of | #244941, #244942, #244956, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 16859);