Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #7654 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23 | C2×C22⋊C4 |
| commutator | C22×C4 | C22×C4 |
| Frattini, cosocle | C2×C42 | C23 |
| LCS | G ▷ C22×C4 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C43 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C23 ▷ C1 | |
195 conjugacy classes of subgroups; only the 63 normal subgroups are shown.
This group has 195 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) = 256 |
A minimal faithful permutation representation — 3 generators on 32 points:
(2,6,7,8)(9,10,13,15,14,11,12,16)(17,18)(19,25,27,22)(20,28)(21,24)(23,29)(26,30,32,31);(1,2)(3,6)(4,8)(5,7)(9,11,14,10)(12,15,13,16)(17,19,21,27)(18,22,24,25)(20,26,29,32)(23,30,28,31);(1,3,5,4)(2,6,7,8)(9,12,14,13)(10,15,11,16)(17,20,21,29)(18,23,24,28)(19,26,27,32)(22,30,25,31)Polycyclic presentation:
2^8|a^2=e,b^2=f,c^2=fgh,d^2=g,e^2=h,b^a=bd,c^a=cf,d^a=df,c^b=ch,d^b=dg,e^b=efg58 conjugacy classes — view the full character table.
| maximal subgroup of | #97292, #97293, #97294, … |
| maximal normal subgroup of | #97292, #97293, #97294, … |
| maximal quotient of | #96289, #96753, #96754, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 681);