Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #30412 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25 |
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 ◁ C4×C22⋊C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
553 conjugacy classes of subgroups.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 16 points:
(1,2)(3,4)(9,10)(11,12)(13,14)(15,16);(5,6)(7,8)(10,11)(12,16)(14,15);(2,4)(6,8)(10,14)(11,15);(2,4)(9,11,12,10,13,15,16,14)Polycyclic presentation:
2^8|d^2=e,e^2=h,b^a=be,c^a=cf,d^a=def,e^a=eh,c^b=cg,d^b=de,e^b=eh,d^c=dh40 conjugacy classes — view the full character table.
| maximal subgroup of | #6632664, #6632672, #6632676, … |
| maximal normal subgroup of | #6632664, #6632672, #6632676, … |
| maximal quotient of | #339775, #339776, #339777, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 23843);