Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #11508 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×#99 |
| commutator | C22×C4 | C22×C4 |
| Frattini, cosocle | C22×Q8 | C23 |
| prime radical | C24 | C22⋊C4 |
| LCS | G ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C24 ◁ C23×Q8 ◁ G | |
| LECS | G ▷ C22×Q8 ▷ C22 ▷ C2 ▷ C1 | |
283 conjugacy classes of subgroups; only the 59 normal subgroups are shown.
This group has 283 conjugacy classes of subgroups — too many to draw. Only its 59 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 40 points:
(1,2)(3,6)(4,5)(7,8)(9,10,13,18,14,19,26,33)(11,15,22,28,20,29,35,40)(12,17,24,32,23,16,25,31)(21,27,36,38,34,30,37,39);(2,5)(6,8)(9,11)(10,15)(12,21)(13,22)(14,20)(16,30)(17,27)(18,28)(19,29)(23,34)(24,36)(25,37)(26,35)(31,39)(32,38)(33,40);(1,3,4,7)(2,6,5,8)(10,16)(11,20)(12,23)(15,27)(17,19)(18,32)(22,35)(24,25)(28,39)(29,30)(31,33)(38,40)Polycyclic presentation:
2^8|a^2=f,c^2=d,e^2=h,f^2=h,b^a=bd,c^a=ce,e^a=eg,g^a=gh,c^b=ch,e^c=eh,f^c=fgh,f^e=fh34 conjugacy classes — view the full character table.
| maximal subgroup of | #133506, #133507, #133508, … |
| maximal normal subgroup of | #133506, #133507, #133508, … |
| maximal quotient of | #135167, #135172, #135210, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 5850);