Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #53390 |
| automorphism | Aut(G) = C215 (order 32768) · Inn(G) = C25 · Out(G) = C210 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C27 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
840 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2)(3,5)(4,6)(7,8)(9,10,14,15)(11,13,12,16);(4,8)(6,7)(10,15)(11,12)(17,18)(19,23)(20,22)(21,24);(2,3)(6,7)(9,11,14,12)(10,16,15,13)(17,18,20,22)(19,21,24,23);(1,3,5,2)(4,7,8,6)(9,12,14,11)(10,13,15,16)(17,18)(19,21)(20,22)(23,24);(1,4,5,8)(2,6,3,7)(9,13)(10,11)(12,15)(14,16)(17,19)(18,21)(20,24)(22,23)Polycyclic presentation:
2^8|a^2=f,c^2=h,d^2=g,e^2=fg,b^a=bf,c^a=cg,d^a=dg,e^a=ef,c^b=ch,d^b=df,e^b=egh,d^c=dgh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#56582, #8098875, #8099053, … |
| maximal normal subgroup of | C2×#56582, #8098875, #8099053, … |
| maximal quotient of | #586311, #586599, #586891, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 49570);