Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #2127 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C22×C8 · Schur multiplier (H2) = C22×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×#99 |
| commutator | C2×C4 | C22×C8 |
| Frattini, cosocle | C2×C4⋊C4 | C23 |
| prime radical | C24 | C22⋊C4 |
| LCS | G ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C4 ◁ C2×#117 ◁ G | |
| LECS | G ▷ C2×C4⋊C4 ▷ C23 ▷ C2 ▷ C1 | |
217 conjugacy classes of subgroups; only the 71 normal subgroups are shown.
This group has 217 conjugacy classes of subgroups — too many to draw. Only its 71 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 24 points:
(1,2,3,5,4,6,7,8)(9,10,13,18,14,19,11,16)(12,15,20,23,21,17,22,24);(10,15,19,17)(11,13)(16,24,18,23)(20,22);(9,11,14,13)(10,16,19,18)(12,20,21,22)(15,23,17,24)Polycyclic presentation:
2^8|a^2=e,b^2=f,c^2=h,d^2=h,e^2=g,b^a=bd,d^a=df,f^a=fh,c^b=ch,e^b=efh,e^d=eh46 conjugacy classes — view the full character table.
| maximal subgroup of | #129271, #129272, #129291, … |
| maximal normal subgroup of | #129271, #129272, #129291, … |
| maximal quotient of | #122298, #122304, #122310, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 4437);