Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #7606 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C23 |
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 ▷ C22 ▷ C1 | |
238 conjugacy classes of subgroups; only the 89 normal subgroups are shown.
This group has 238 conjugacy classes of subgroups — too many to draw. Only its 89 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)(5,6,9,11,7,10,8,12)(13,14,16,20,17,19,25,27)(15,21,22,28,23,18,24,26);(1,2,3,4)(6,10)(11,12);(6,11)(8,9)(10,12)(13,15,17,23)(14,18,19,21)(16,24,25,22)(20,28,27,26)Polycyclic presentation:
2^8|a^2=f,b^2=dh,c^2=g,e^2=h,f^2=gh,b^a=bd,c^a=ce,e^a=eg,e^c=eh,f^c=fgh52 conjugacy classes — view the full character table.
| maximal subgroup of | #97208, #97209, #97210, … |
| maximal normal subgroup of | #97208, #97209, #97210, … |
| maximal quotient of | #98788, #98795, #98805, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 1581);