Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #10218 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #392 |
| commutator, Frattini, cosocle | C2×C42 | C23 |
| prime radical | C23 | #127 |
| LCS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
231 conjugacy classes of subgroups; only the 61 normal subgroups are shown.
This group has 231 conjugacy classes of subgroups — too many to draw. Only its 61 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) = 64 |
A minimal faithful permutation representation — 3 generators on 32 points:
(1,2,7,11)(3,12,4,15)(5,10,6,9)(8,14,16,13)(19,26)(20,21)(23,27)(24,30)(28,29)(31,32);(1,3,7,4)(2,8,11,16)(5,14,6,13)(9,15,10,12)(17,18)(19,27)(20,24)(21,30)(22,25)(23,29)(26,31)(28,32);(1,4,7,3)(2,8,11,16)(5,13,6,14)(9,15,10,12)(17,19)(18,23)(20,29)(21,26)(22,28)(24,32)(25,31)(27,30)Polycyclic presentation:
2^8|a^2=g,b^2=g,c^2=g,d^2=g,e^2=h,f^2=gh,b^a=bd,c^a=ce,d^a=dg,e^a=eh,f^a=fgh,c^b=cf,d^b=dg,e^b=eg,f^b=fgh,d^c=dh,e^c=eh,f^c=fgh34 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#10224, #233825, #233829, … |
| maximal normal subgroup of | C2×#10224, #233825, #233829, … |
| maximal quotient of | #102547, #102558, #102564, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 3212);