Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #33752 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C22×D8 |
| commutator, Frattini, cosocle | C2×C8 | C24 |
| prime radical | #3169 | C2 |
| LCS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ C2×C4×C8 ◁ G | |
| LECS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
252 conjugacy classes of subgroups; only the 103 normal subgroups are shown.
This group has 252 conjugacy classes of subgroups — too many to draw. Only its 103 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 — 4 generators on 32 points:
(1,2)(3,9)(4,7)(5,8)(6,11)(10,15)(12,14)(13,16)(18,22)(19,25)(21,29)(23,31)(24,28)(26,30)(27,32);(1,3,5,11)(2,6,8,9)(4,12,13,10)(7,15,16,14)(17,18,20,22)(19,26,27,23)(21,24,28,29)(25,31,32,30);(1,4,5,13)(2,7,8,16)(3,10,11,12)(6,14,9,15)(17,19,20,27)(18,23,22,26)(21,30,28,31)(24,32,29,25);(2,8)(6,9)(7,16)(14,15)(17,18,20,22)(19,23,27,26)(21,24,28,29)(25,30,32,31)Polycyclic presentation:
2^8|b^2=e,c^2=e,d^2=h,f^2=gh,g^2=h,b^a=be,c^a=cf,d^a=de,f^a=fg,g^a=gh,c^b=ce,f^c=fg,g^c=gh52 conjugacy classes — view the full character table.
| maximal subgroup of | #139068, #139074, #139125, … |
| maximal normal subgroup of | #139068, #139074, #139125, … |
| maximal quotient of | #496429, #496480, #496736, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 26782);