Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1705 |
| automorphism | Aut(G) order 131072 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C8 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23 | #127 |
| commutator | C42 | C22×C4 |
| Frattini, cosocle | C2×C42 | C23 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
279 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 3 generators on 28 points:
(1,2,3,4)(6,9)(7,10)(11,12)(13,14)(15,21)(16,18)(17,25)(19,24)(20,22)(23,27)(26,28);(2,4)(5,6,10,12,8,11,7,9)(14,18)(19,26)(20,25)(21,27);(13,15,22,28,16,23,17,24)(14,19,25,27,18,26,20,21)Polycyclic presentation:
2^8|a^2=f,b^2=dfgh,c^2=eh,d^2=g,e^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eh76 conjugacy classes — view the full character table.
| maximal subgroup of | #92868, #94568, #94796, … |
| maximal normal subgroup of | #92868, #94568, #94796, … |
| maximal quotient of | #102105, #102129, #102153, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 2813);