Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #12416 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C22 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #459 |
| commutator, Frattini, cosocle | C4×C8 | C23 |
| prime radical | C2×D8 | D4 |
| LCS | G ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C42 ◁ C82 ◁ G | |
| LECS | G ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
117 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 3 generators on 32 points:
(1,2,5,8)(3,9,12,16)(4,13,10,7)(6,14,15,11)(17,18,21,25)(19,22,28,31)(20,29,27,24)(23,32,30,26);(1,3,10,14,5,12,4,11)(2,6,13,16,8,15,7,9);(18,22)(19,26)(20,27)(23,24)(25,31)(28,32)(29,30)Polycyclic presentation:
2^8|a^2=fh,b^2=df,d^2=f,e^2=gh,g^2=h,b^a=bd,c^a=ce,d^a=df,e^a=eg,g^a=gh,e^c=eg,g^c=gh43 conjugacy classes — view the full character table.
| maximal subgroup of | #123285, #123287, #123288, … |
| maximal normal subgroup of | #123285, #123287, #123288, … |
| maximal quotient of | #134950, #138609, #140217, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 5435);