Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #45438 |
| automorphism | Aut(G) order 65536 |
| 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 | #2431 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
888 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(2,3)(6,7)(11,15)(14,16)(18,22)(19,25)(20,27)(30,32);(2,3)(4,8)(10,13)(11,15)(17,18,21,22)(19,23,25,29)(20,28,27,24)(26,32,31,30);(1,2,5,3)(4,6,8,7)(9,10)(11,14)(12,13)(15,16)(17,18)(19,23)(20,24)(21,22)(25,29)(26,30)(27,28)(31,32);(1,3,5,2)(4,7,8,6)(9,11)(10,14)(12,15)(13,16)(17,19,21,25)(18,23,22,29)(20,26,27,31)(24,30,28,32);(1,4,5,8)(2,6,3,7)(9,10)(11,14)(12,13)(15,16)(17,20,21,27)(18,24,22,28)(19,26,25,31)(23,30,29,32)Polycyclic presentation:
2^8|b^2=f,c^2=fg,d^2=g,e^2=g,b^a=bf,c^a=cg,d^a=dh,e^a=ef,c^b=ch,d^b=dfh,e^b=eh52 conjugacy classes — view the full character table.
| maximal subgroup of | #133540, #500072, #500420, … |
| maximal normal subgroup of | #133540, #500072, #500420, … |
| maximal quotient of | #557175, #557481, #557596, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 38718);