Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #52308 |
| 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 | #392 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
751 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(3,7)(6,8)(9,10,13,15)(11,16,14,12)(17,18)(19,21)(20,27)(22,30)(23,25)(24,31)(26,32)(28,29);(1,2)(3,6)(4,5)(7,8)(9,11)(10,12)(13,14)(15,16)(17,19,23,20)(18,21,25,27)(22,26,31,28)(24,29,30,32);(2,5)(6,8)(9,10,13,15)(11,12,14,16)(17,20,23,19)(18,21,25,27)(22,28,31,26)(24,29,30,32);(1,2)(3,6)(4,5)(7,8)(9,10)(11,16)(12,14)(13,15)(17,21)(18,20)(19,25)(22,29)(23,27)(24,28)(26,30)(31,32);(1,3)(2,6)(4,7)(5,8)(9,12,13,16)(10,14,15,11)(17,22)(18,24)(19,26)(20,28)(21,29)(23,31)(25,30)(27,32)Polycyclic presentation:
2^8|a^2=f,b^2=g,c^2=fg,e^2=f,b^a=bf,c^a=cg,d^a=dfg,e^a=efgh,c^b=ch,d^b=df,d^c=dfgh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#52438, #8092337, #8092465, … |
| maximal normal subgroup of | C2×#52438, #8092337, #8092465, … |
| maximal quotient of | #582280, #582470, #582476, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 45426);