| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #8790 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C8 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #382 |
| commutator | C42 | C22×C4 |
| Frattini, cosocle | C2×C42 | C23 |
| prime radical | C23 | #124 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
147 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 40 points:
(2,3)(4,5)(7,8)(9,10)(11,19,23,15)(12,24,26,39)(13,18)(14,17)(16,25,30,34)(20,27)(21,35)(22,32,33,29)(28,36)(31,40)(37,38);(1,2,4,3,6,8,5,7)(9,11,20,33,14,23,13,22)(10,15,27,32,17,19,18,29)(12,21,34,40,26,37,25,36)(16,28,39,35,30,31,24,38);(1,3,5,2,6,7,4,8)(9,12,14,26)(10,16)(11,21,23,37)(13,25,20,34)(15,28)(17,30)(18,24)(19,31)(22,36,33,40)(27,39)(29,38)(32,35)Polycyclic presentation:
2^8|a^2=f,b^2=eg,c^2=dg,d^2=h,e^2=g,b^a=bd,c^a=ce,d^a=dg,e^a=eh,f^b=fgh,f^c=fgh52 conjugacy classes — view the full character table.
| maximal subgroup of | #134987, #134994, #134995, … |
| maximal normal subgroup of | #134987, #134994, #134995, … |
| maximal quotient of | #99279, #99280, #99286, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 1781);