| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #62307 |
| 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 | |
897 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)(3,7)(4,6)(5,8)(9,10,15,19)(11,16,22,31)(12,24,26,38)(13,18,14,28)(17,25,32,27)(20,33,36,40)(21,30,23,37)(29,34,39,35);(1,3)(2,5)(4,8)(6,7)(9,11,15,22)(10,16,19,31)(12,20,26,36)(13,21,14,23)(17,29,32,39)(18,30,28,37)(24,33,38,40)(25,34,27,35);(9,12,13,25,15,26,14,27)(10,17,28,38,19,32,18,24)(11,20,21,34,22,36,23,35)(16,29,37,40,31,39,30,33);(3,8)(5,7)(9,13,15,14)(10,18,19,28)(11,21,22,23)(12,25,26,27)(16,30,31,37)(17,24,32,38)(20,34,36,35)(29,33,39,40);(2,6)(5,7)(11,22)(12,26)(16,31)(17,32)(21,23)(24,38)(25,27)(30,37)Polycyclic presentation:
2^8|a^2=h,b^2=h,c^2=gh,d^2=h,g^2=h,b^a=bf,c^a=cg,e^a=ef,g^a=gh,d^b=df,e^b=eh,e^c=eh49 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#62322, #10577613, #10577659, … |
| maximal normal subgroup of | C2×#62322, #10577613, #10577659, … |
| maximal quotient of | #6386798, #6389160, #6389214, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 55310);