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 | C2×#121 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
753 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(10,13)(11,15)(17,18,22,26)(19,24,20,23)(21,29,30,25)(27,31,28,32);(1,2)(3,7)(4,6)(5,8)(10,13)(14,16)(17,19,22,20)(18,23,26,24)(21,28,30,27)(25,32,29,31);(1,2,4,6)(3,5,8,7)(9,10)(11,14)(12,13)(15,16)(17,20,22,19)(18,24,26,23)(21,28,30,27)(25,32,29,31);(1,2)(3,5)(4,6)(7,8)(9,11,12,15)(10,14,13,16)(17,18)(19,24)(20,23)(21,25)(22,26)(27,32)(28,31)(29,30);(1,3)(2,5)(4,8)(6,7)(17,21,22,30)(18,25,26,29)(19,27,20,28)(23,31,24,32)Polycyclic presentation:
2^8|a^2=f,b^2=f,c^2=gh,d^2=fg,e^2=f,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×#56449, #8098987, #8099323, … |
| maximal normal subgroup of | C2×#56449, #8098987, #8099323, … |
| maximal quotient of | #586279, #586855, #586900, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 49437);