Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #1343 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | #99 |
| commutator | C22×C4 | C22×C4 |
| Frattini, cosocle | C2×C22⋊C4 | C23 |
| socle | C22 | C2×#99 |
| prime radical | #2397 | C2 |
| LCS | G ▷ C22×C4 ▷ C23 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C22×C4 ◁ C2×C4×D4 ◁ G | |
| LECS | G ▷ C2×C22⋊C4 ▷ C23 ▷ C2 ▷ C1 | |
303 conjugacy classes of subgroups; only the 53 normal subgroups are shown.
This group has 303 conjugacy classes of subgroups — too many to draw. Only its 53 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) = 32 |
A minimal faithful permutation representation — 3 generators on 16 points:
(2,6,7,8)(9,10)(11,14,16,13)(12,15);(1,2)(3,6)(4,8)(5,7)(10,13)(11,16)(14,15);(1,3,5,4)(2,6,7,8)Polycyclic presentation:
2^8|a^2=e,c^2=gh,d^2=g,b^a=bd,d^a=df,f^a=fh,d^b=dg,e^b=efg,e^d=eh46 conjugacy classes — view the full character table.
| maximal subgroup of | #128963, #128966, #128975, … |
| maximal normal subgroup of | #128963, #128966, #128975, … |
| maximal quotient of | #124138, #124150, #124167, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 4714);