Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of D8 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C22×C16 · Schur multiplier (H2) = C2×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C4×C8 | D4 |
| commutator | C4 | C22×C16 |
| Frattini, cosocle | C4×C8 | C23 |
| socle | C22 | C2×C4⋊C8 |
| prime radical | C23 | C4⋊C8 |
| LCS | G ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C4×C8 ◁ C2×C4×C8 ◁ G | |
| LECS | G ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
131 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 3 generators on 32 points:
(1,2)(3,10)(4,8)(5,14)(6,9)(7,12)(11,15)(13,16)(17,18,19,22,20,23,25,28,21,24,26,29,27,30,31,32);(1,3,5,12,6,13,4,11)(2,7,8,10,9,15,14,16);(1,4,6,5)(2,8,9,14)(3,11,13,12)(7,10,15,16)Polycyclic presentation:
2^8|a^2=e,b^2=d,c^2=f,d^2=f,e^2=g,g^2=h,b^a=bd,d^a=df112 conjugacy classes — view the full character table.
| maximal subgroup of | #92912, #92914, #92919, … |
| maximal normal subgroup of | #92912, #92914, #92919, … |
| maximal quotient of | #126668, C4×#1367, C4×#1370, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 5000);