Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #7694 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C23×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C2×C22⋊C4 |
| commutator | C22×C4 | C22×C4 |
| Frattini, cosocle | C23×C4 | C23 |
| prime radical | C2×#121 | C22 |
| LCS | G ▷ C22×C4 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C23×C4 ▷ C22 ▷ C1 | |
324 conjugacy classes of subgroups; only the 75 normal subgroups are shown.
This group has 324 conjugacy classes of subgroups — too many to draw. Only its 75 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 28 points:
(1,2)(3,4)(5,6,10,11,9,7,8,12)(13,14,17,20,18,21,16,26)(15,22,25,27,23,28,24,19);(5,7,9,6)(8,12,10,11)(13,15)(14,19,21,27)(16,24)(17,25)(18,23)(20,22,26,28);(2,4)(5,8,9,10)(6,11,7,12)(15,23)(19,27)(22,28)(24,25)Polycyclic presentation:
2^8|a^2=f,b^2=dfh,c^2=h,d^2=gh,f^2=gh,b^a=bd,c^a=ce,d^a=dg,c^b=cg,d^b=dh,f^b=fh46 conjugacy classes — view the full character table.
| maximal subgroup of | #97300, #97301, #97302, … |
| maximal normal subgroup of | #97300, #97301, #97302, … |
| maximal quotient of | #99749, #99753, #99764, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 2145);