Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #40484 |
| 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 | #2617 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
864 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 32 points:
(1,2,5,6)(3,4,8,7)(9,10)(11,12)(13,14)(15,16)(18,22)(23,25)(24,29)(30,31);(2,6)(4,7)(10,14)(12,15)(18,22)(20,28)(23,25)(26,32);(2,6)(3,8)(9,11,13,16)(10,12,14,15)(17,18,21,22)(19,25,27,23)(20,24,28,29)(26,31,32,30);(1,3,5,8)(2,7,6,4)(9,11)(10,15)(12,14)(13,16)(17,19,21,27)(18,23,22,25)(20,26,28,32)(24,30,29,31);(1,4,5,7)(2,8,6,3)(9,12,13,15)(10,11,14,16)(17,20)(18,24)(19,26)(21,28)(22,29)(23,30)(25,31)(27,32)Polycyclic presentation:
2^8|a^2=gh,c^2=fg,d^2=g,e^2=f,b^a=bf,c^a=cg,d^a=df,c^b=ch,e^b=efh,d^c=dfh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#41560, #7639952, #7640230, … |
| maximal normal subgroup of | C2×#41560, #7639952, #7640230, … |
| maximal quotient of | #544725, #545209, #545717, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 34548);