Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #10078 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C22 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23 | #120 |
| commutator, Frattini, cosocle | C2×C42 | C23 |
| LCS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
201 conjugacy classes of subgroups; only the 53 normal subgroups are shown.
This group has 201 conjugacy classes of subgroups — too many to draw. Only its 53 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) = 256 |
A minimal faithful permutation representation — 3 generators on 28 points:
(2,3)(5,6)(7,11)(8,10)(9,12)(13,14,16,20)(15,22,23,18)(17,19,25,21)(24,28,26,27);(1,2)(3,4)(5,6,7,11)(8,12,9,10)(13,15,16,23)(14,18,20,22)(17,26,25,24)(19,28,21,27);(1,3,4,2)(6,10)(8,9)(11,12)(14,19)(17,25)(18,27)(20,21)(22,28)(24,26)Polycyclic presentation:
2^8|a^2=h,b^2=g,c^2=dg,e^2=g,f^2=gh,b^a=bd,c^a=ce,e^a=eg,f^a=fh,c^b=cf,e^b=eh,f^b=fgh,e^c=eg,f^c=fgh34 conjugacy classes — view the full character table.
| maximal subgroup of | #151250, #151251, #151277, … |
| maximal normal subgroup of | #151250, #151251, #151277, … |
| maximal quotient of | #104841, #104842, #104843, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 3417);