Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #37644 |
| 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 | C24 | C24 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
717 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(9,10,13,12)(11,15,16,14)(18,19)(20,27)(24,26)(28,32);(2,6)(4,7)(17,18,22,19)(20,23,27,25)(21,26,29,24)(28,31,32,30);(1,2)(3,7)(4,8)(5,6)(9,11,13,16)(10,14,12,15)(17,19,22,18)(20,25,27,23)(21,26,29,24)(28,31,32,30);(1,3,5,8)(2,7,6,4)(17,20)(18,23)(19,25)(21,28)(22,27)(24,30)(26,31)(29,32);(1,4,5,7)(2,8,6,3)(9,12,13,10)(11,15,16,14)(17,21)(18,24)(19,26)(20,28)(22,29)(23,30)(25,31)(27,32)Polycyclic presentation:
2^8|a^2=fg,b^2=f,c^2=g,d^2=h,e^2=fgh,b^a=bf,c^a=cg,d^a=df,c^b=ch,e^b=efh58 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#40343, #7637866, #7638136, … |
| maximal normal subgroup of | C2×#40343, #7637866, #7638136, … |
| maximal quotient of | #521934, #522480, #522956, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 33331);