Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #11799 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C42 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×#99 |
| commutator | C22×C4 | C22×C4 |
| Frattini, cosocle | C2×C22⋊C4 | C23 |
| prime radical | C24 | C2×D4 |
| LCS | G ▷ C22×C4 ▷ C23 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C4 ◁ C2×#117 ◁ G | |
| LECS | G ▷ C2×C22⋊C4 ▷ C23 ▷ C2 ▷ C1 | |
191 conjugacy classes of subgroups; only the 49 normal subgroups are shown.
This group has 191 conjugacy classes of subgroups — too many to draw. Only its 49 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) = 64 |
A minimal faithful permutation representation — 3 generators on 32 points:
(1,2)(3,9,11,16)(4,8)(5,7)(6,10,14,12)(13,15)(17,18)(19,25)(20,28,29,22)(21,24)(23,26)(27,30,32,31);(1,3)(2,6)(4,12)(5,11)(7,14)(8,16)(9,15)(10,13)(18,22,24,28)(19,26)(20,29)(23,31,25,30);(2,7)(6,14)(8,15)(9,16)(17,19,21,26)(18,23,24,25)(20,27,29,32)(22,30,28,31)Polycyclic presentation:
2^8|a^2=e,b^2=f,c^2=h,d^2=gh,b^a=bd,c^a=cg,d^a=df,f^a=fh,c^b=ch,d^b=dg,e^b=efgh,e^d=eh28 conjugacy classes — view the full character table.
| maximal subgroup of | #132989, #132992, #132994, … |
| maximal normal subgroup of | #132989, #132992, #132994, … |
| maximal quotient of | #124532, #124553, #124611, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 4800);