Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #60756 |
| automorphism | ? |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C23×D4 |
| commutator, Frattini, cosocle | C2×C4 | C25 |
| prime radical | #537 | C22 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C4×#41 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
836 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(1,2)(3,9)(4,7)(5,8)(6,11)(10,15)(12,14)(13,16)(17,18,21,26)(19,28,29,23)(20,31,32,25)(22,24,30,27);(1,3,5,11)(2,6,8,9)(4,12,13,10)(7,15,16,14)(17,19,21,29)(18,23,26,28)(20,30,32,22)(24,25,27,31);(1,4,5,13)(2,7,8,16)(3,10,11,12)(6,14,9,15)(18,24)(19,29)(22,30)(23,31)(25,28)(26,27);(2,8)(6,9)(7,16)(14,15)(17,20)(18,25)(19,30)(21,32)(22,29)(23,27)(24,28)(26,31);(19,29)(20,32)(23,28)(25,31)Polycyclic presentation:
2^8|a^2=h,b^2=f,c^2=fh,g^2=h,b^a=bf,c^a=cg,d^a=df,g^a=gh,c^b=cf,e^b=eh,g^c=gh,e^d=eh49 conjugacy classes — view the full character table.
| maximal subgroup of | #245465, #245470, #245491, … |
| maximal normal subgroup of | #245465, #245470, #245491, … |
| maximal quotient of | #6374374, #6374459, #6374992, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 53881);