Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1714 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | #127 |
| commutator | C42 | C22×C4 |
| Frattini, cosocle | C2×C42 | C23 |
| socle | C22 | #390 |
| prime radical | C23 | #124 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
195 conjugacy classes of subgroups; only the 71 normal subgroups are shown.
This group has 195 conjugacy classes of subgroups — too many to draw. Only its 71 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 3 generators on 32 points:
(1,2)(3,9)(4,12)(5,7)(6,11)(8,13)(10,15)(14,16)(17,18,21,25,22,26,20,23)(19,27,30,24,28,31,29,32);(1,3,4,11,5,10,13,16)(2,6,8,9,7,14,12,15)(18,23,26,25)(19,28)(24,31,32,27)(29,30);(2,7)(3,10)(8,12)(11,16)(17,19,20,29,22,28,21,30)(18,24,25,31,26,32,23,27)Polycyclic presentation:
2^8|a^2=f,b^2=df,c^2=eg,d^2=g,e^2=h,f^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eh,c^b=cg52 conjugacy classes — view the full character table.
| maximal subgroup of | #92840, #139068, #139069, … |
| maximal normal subgroup of | #92840, #139068, #139069, … |
| maximal quotient of | #102108, #102111, #102114, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 2847);