Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of D4×D8 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23 | C22×D4 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C22×C4 | C24 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C4×C4⋊C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
455 conjugacy classes of subgroups; only the 211 normal subgroups are shown.
This group has 455 conjugacy classes of subgroups — too many to draw. Only its 211 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 24 points:
(2,4)(5,6,7,8)(10,15)(12,21)(13,19)(16,24)(17,22)(18,23);(9,10,14,18)(11,16,20,17)(12,22,21,24)(13,23,19,15);(1,2,3,4)(9,11,14,20)(10,16,18,17)(12,19,21,13)(15,24,23,22);(9,12,14,21)(10,17,18,16)(11,19,20,13)(15,24,23,22)Polycyclic presentation:
2^8|a^2=g,b^2=h,c^2=fh,d^2=h,e^2=h,b^a=be,c^a=cf,d^a=dh,e^a=eh,d^b=de,e^b=eh,e^d=eh70 conjugacy classes — view the full character table.
| maximal subgroup of | #136376, #136405, #136903, … |
| maximal normal subgroup of | #136376, #136405, #136903, … |
| maximal quotient of | #225445, #225461, #225477, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 15673);