Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1705 |
| automorphism | Aut(G) order 131072 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C23×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | #127 |
| commutator, Frattini, cosocle | C42 | C24 |
| socle | C22 | C2×#127 |
| prime radical | C23 | #127 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
353 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 32 points:
(1,2)(3,10)(4,8)(5,14)(6,9)(7,12)(11,15)(13,16)(17,18,21,24)(19,25,28,32)(20,29,26,23)(22,30,31,27);(1,3,5,12,6,13,4,11)(2,7,8,10,9,15,14,16);(17,19,26,30,21,28,20,27)(18,22,29,32,24,31,23,25);(1,4,6,5)(2,8,9,14)(3,11,13,12)(7,10,15,16)Polycyclic presentation:
2^8|a^2=h,b^2=e,c^2=fh,d^2=g,e^2=g,f^2=h,b^a=be,c^a=cf,e^a=eg,f^a=fh76 conjugacy classes — view the full character table.
| maximal subgroup of | #122858, #122863, #122869, … |
| maximal normal subgroup of | #122858, #122863, #122869, … |
| maximal quotient of | #191424, #206084, #206085, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 12592);