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 |
| prime radical | #2825 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
778 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(1,2)(3,7)(4,8)(5,6)(17,18,22,26)(19,20,24,23)(21,29,31,25)(27,32,30,28);(2,6)(3,8)(9,10)(11,15)(12,14)(13,16)(17,19,22,24)(18,23,26,20)(21,30,31,27)(25,28,29,32);(1,3)(2,4)(5,8)(6,7)(9,10,12,14)(11,13,16,15)(17,19)(18,20)(21,27)(22,24)(23,26)(25,28)(29,32)(30,31);(1,3)(2,4)(5,8)(6,7)(9,10)(11,13)(12,14)(15,16)(17,20)(18,24)(19,26)(21,28)(22,23)(25,30)(27,29)(31,32);(1,4)(2,3)(5,7)(6,8)(9,11)(10,13)(12,16)(14,15)(17,21,22,31)(18,25,26,29)(19,27,24,30)(20,28,23,32)Polycyclic presentation:
2^8|a^2=fg,b^2=fg,c^2=fh,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×#56537, #8098875, #8099323, … |
| maximal normal subgroup of | C2×#56537, #8098875, #8099323, … |
| maximal quotient of | #586347, #586679, #586823, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 49525);