Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #36702 |
| 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 | #2682 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
825 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)(10,14)(12,15)(17,18,23,26)(19,21,20,24)(22,30,31,25)(27,32,28,29);(2,5)(6,8)(10,14)(11,16)(17,19,23,20)(18,24,26,21)(22,27,31,28)(25,32,30,29);(1,2)(3,6)(4,5)(7,8)(9,10,13,14)(11,15,16,12)(17,20,23,19)(18,24,26,21)(22,28,31,27)(25,32,30,29);(1,2)(3,6)(4,5)(7,8)(9,11)(10,15)(12,14)(13,16)(17,21,23,24)(18,19,26,20)(22,29,31,32)(25,27,30,28);(1,3)(2,6)(4,7)(5,8)(9,12,13,15)(10,11,14,16)(17,22)(18,25)(19,27)(20,28)(21,29)(23,31)(24,32)(26,30)Polycyclic presentation:
2^8|a^2=f,b^2=f,c^2=fg,d^2=f,e^2=g,b^a=bf,c^a=cg,d^a=df,e^a=efh,c^b=ch,d^b=dfh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#36916, #7634149, #7634190, … |
| maximal normal subgroup of | C2×#36916, #7634149, #7634190, … |
| maximal quotient of | #553950, #553975, #554156, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 29904);