| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #61071 |
| automorphism | ? |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C23×D4 |
| commutator, Frattini, cosocle | C2×C4 | C25 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ #525 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
1023 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 40 points:
(1,2,4,6)(3,7,8,5)(9,10)(11,21)(12,25)(13,18)(14,20)(15,19)(16,24)(17,26)(22,36)(23,32)(27,33)(28,31)(29,34)(30,37)(35,39)(38,40);(1,3)(2,5)(4,8)(6,7)(9,11,14,24)(10,16,20,21)(12,22,27,38)(13,28,15,23)(17,30,34,35)(18,32,19,31)(25,40,33,36)(26,39,29,37);(9,12)(10,17)(11,22)(13,26)(14,27)(15,29)(16,30)(18,33)(19,25)(20,34)(21,35)(23,37)(24,38)(28,39)(31,40)(32,36);(3,8)(5,7)(9,13,14,15)(10,18,20,19)(11,23,24,28)(12,26,27,29)(16,31,21,32)(17,33,34,25)(22,37,38,39)(30,40,35,36);(9,13,14,15)(10,19,20,18)(11,23,24,28)(12,26,27,29)(16,32,21,31)(17,25,34,33)(22,37,38,39)(30,36,35,40)Polycyclic presentation:
2^8|a^2=fh,b^2=h,d^2=h,e^2=h,g^2=h,b^a=bf,c^a=cg,e^a=eh,g^a=gh,d^b=df,e^b=eh,g^c=gh55 conjugacy classes — view the full character table.
| maximal subgroup of | #7003062, #7003064, #7003074, … |
| maximal normal subgroup of | #7003062, #7003064, #7003074, … |
| maximal quotient of | #6379087, #6379311, #6379721, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 54186);