Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1619 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | #120 |
| commutator | C42 | C22×C4 |
| Frattini, cosocle | C2×C42 | C23 |
| socle | C22 | #386 |
| prime radical | #532 | C22 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
213 conjugacy classes of subgroups; only the 63 normal subgroups are shown.
This group has 213 conjugacy classes of subgroups — too many to draw. Only its 63 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 — 3 generators on 32 points:
(2,6,9,12)(3,10,11,13)(17,18,21,25,22,20,29,24)(19,23,27,31,28,26,32,30);(1,2,7,6,5,9,4,12)(3,8,10,14,11,16,13,15)(17,19,21,27,22,28,29,32)(18,23,25,31,20,26,24,30);(1,3,5,11)(2,8,9,16)(4,13,7,10)(6,14,12,15)(17,20)(18,22)(19,26)(21,24)(23,28)(25,29)(27,30)(31,32)Polycyclic presentation:
2^8|a^2=f,b^2=dfg,c^2=g,d^2=g,e^2=gh,f^2=h,b^a=bd,c^a=ce,e^a=eh,d^b=dg,e^b=eg,f^b=fg,d^c=dg,e^c=egh,f^c=fg52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#9070, #195762, #195764, … |
| maximal normal subgroup of | C2×#9070, #195762, #195764, … |
| maximal quotient of | #99600, #99603, #99610, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 2058);