Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #1343 |
| automorphism | Aut(G) = #72278713 (order 2048) · Inn(G) = #99 · Out(G) = C22×#41 |
| homology | Abelianization (H1) = C2×C8 · Schur multiplier (H2) = C2 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | #99 |
| commutator | C22×C4 | C2×C8 |
| Frattini, cosocle | C2×C4⋊C8 | C22 |
| socle | C22 | #323 |
| prime radical | C23 | C22⋊C8 |
| LCS | G ▷ C22×C4 ▷ C23 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C22×C4 ◁ C2×C4⋊C8 ◁ G | |
| LECS | G ▷ C2×C4⋊C8 ▷ C22×C4 ▷ C22 ▷ C1 | |
94 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 2 generators on 32 points:
(1,2)(3,9,11,16)(4,12,14,7)(5,8)(6,10)(13,15)(17,18,20,25,21,23,29,30,22,24,28,31,19,26,27,32);(1,3,5,11)(2,6,8,15)(4,13,14,10)(7,16,12,9)(17,19,22,21)(18,23,24,26)(20,27,28,29)(25,32,31,30)Polycyclic presentation:
2^8|a^2=d,b^2=g,c^2=gh,d^2=f,f^2=h,b^a=bc,c^a=ce,e^a=eg,c^b=cgh,d^b=degh,d^c=dg46 conjugacy classes — view the full character table.
| maximal subgroup of | #93198, #93199, #93200, … |
| maximal normal subgroup of | #93198, #93199, #93200, … |
| maximal quotient of | #92816, #92886, #92993, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 49);