Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #468 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C22×C8 · Schur multiplier (H2) = C22×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C22×C4 | C2×D4 |
| commutator | C2×C4 | C22×C8 |
| Frattini, cosocle | C2×C42 | C23 |
| socle, prime radical | C23 | C4×D4 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ C2×C4×C8 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
243 conjugacy classes of subgroups; only the 99 normal subgroups are shown.
This group has 243 conjugacy classes of subgroups — too many to draw. Only its 99 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 3 generators on 28 points:
(2,4)(5,6,8,11,9,7,10,12)(13,14)(15,23)(16,19)(17,26)(18,22)(20,24)(21,27)(25,28);(1,2,3,4)(5,7,8,12,9,6,10,11)(13,15,17,16,18,24,27,25)(14,19,21,23,22,28,26,20);(13,16,17,24,18,25,27,15)(14,20,21,19,22,23,26,28)Polycyclic presentation:
2^8|a^2=f,b^2=df,c^2=e,d^2=g,e^2=g,f^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eg,c^b=cg64 conjugacy classes — view the full character table.
| maximal subgroup of | #92820, #136696, #136705, … |
| maximal normal subgroup of | #92820, #136696, #136705, … |
| maximal quotient of | #102001, #102004, #102007, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 2646);