Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #20158 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | D42 |
| commutator, Frattini, cosocle | C42 | C24 |
| prime radical | C2×D4 | C2×D4 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
283 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 32 points:
(2,6)(4,12)(7,13)(8,15)(9,16)(10,14)(17,18,21,24)(19,25,26,32)(20,28,30,23)(22,29,31,27);(1,2)(3,9)(4,13)(5,7)(6,12)(8,10)(11,15)(14,16)(19,26)(22,31)(25,32)(27,29);(2,7)(6,13)(8,16)(9,15)(17,19,21,26)(18,22,24,31)(20,29,30,27)(23,32,28,25);(1,3,5,11)(2,8,7,16)(4,14,12,10)(6,15,13,9)Polycyclic presentation:
2^8|a^2=h,c^2=h,d^2=g,e^2=g,f^2=h,b^a=be,c^a=cf,e^a=eg,f^a=fh,c^b=cgh,d^b=de,e^b=eg,f^c=fh,e^d=eg34 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#20214, #6359575, #6359650, … |
| maximal normal subgroup of | C2×#20214, #6359575, #6359650, … |
| maximal quotient of | #220891, #220989, #222409, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 13202);