Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #7694 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23 | C2×C22⋊C4 |
| commutator | C22×C4 | C22×C4 |
| Frattini, cosocle | C2×C42 | C23 |
| LCS | G ▷ C22×C4 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C43 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C23 ▷ C1 | |
197 conjugacy classes of subgroups; only the 63 normal subgroups are shown.
This group has 197 conjugacy classes of subgroups — too many to draw. Only its 63 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 3 generators on 32 points:
(1,2,4,6,5,8,3,7)(9,10,13,15,14,11,12,16)(17,18)(19,25)(20,28)(21,23)(22,26)(24,30)(27,32)(29,31);(2,6)(3,4)(7,8)(9,11,14,10)(12,15,13,16)(17,19,21,27)(18,22,23,31)(20,29,30,26)(24,32,28,25);(1,3,5,4)(2,6,8,7)(10,11)(15,16)(18,23)(22,31)(24,28)(25,32)Polycyclic presentation:
2^8|a^2=e,b^2=f,c^2=fg,d^2=g,e^2=h,b^a=bd,c^a=cg,d^a=df,c^b=ch,d^b=dg,e^b=efg46 conjugacy classes — view the full character table.
| maximal subgroup of | #98121, #98123, #98129, … |
| maximal normal subgroup of | #98121, #98123, #98129, … |
| maximal quotient of | #96277, #96749, #96929, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 688);