Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1462 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C2×C42 · Schur multiplier (H2) = C24×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C2×C22⋊C4 |
| commutator | C23 | C2×C42 |
| Frattini, prime radical, cosocle | C25 | C23 |
| LCS | G ▷ C23 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C24×C4 ◁ G | |
| LECS | G ▷ C25 ▷ C2 ▷ C1 | |
669 conjugacy classes of subgroups; only the 191 normal subgroups are shown.
This group has 669 conjugacy classes of subgroups — too many to draw. Only its 191 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 16 points:
(2,4)(9,10)(11,15,16,13)(12,14);(5,6,7,8)(9,11)(10,13)(12,16)(14,15);(1,2,3,4)Polycyclic presentation:
2^8|a^2=f,b^2=g,c^2=e,b^a=bd,c^a=ce,d^a=dh,f^b=fh64 conjugacy classes — view the full character table.
| maximal subgroup of | #93593, #105986, #105987, … |
| maximal normal subgroup of | #93593, #105986, #105987, … |
| maximal quotient of | #108799, #108800, #108801, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 3834);