Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #3008 |
| automorphism | Aut(G) order 32768 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C25×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | C22×D4 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C22×C4 | C24 |
| socle | C22 | C22×C22⋊C4 |
| prime radical | #3449 | C2 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C2×#117 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
781 conjugacy classes of subgroups; only the 239 normal subgroups are shown.
This group has 781 conjugacy classes of subgroups — too many to draw. Only its 239 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 32 |
A minimal faithful permutation representation — 4 generators on 20 points:
(2,4)(6,10,12,15)(11,17,18,20);(5,6,8,15,9,12,16,10)(7,11,14,20,13,18,19,17);(1,2,3,4)(5,7)(6,11)(8,14)(9,13)(10,17)(12,18)(15,20)(16,19);(7,13)(11,18)(14,19)(17,20)Polycyclic presentation:
2^8|a^2=g,b^2=eg,c^2=f,e^2=h,b^a=be,c^a=cf,e^b=eh,g^b=gh,d^c=dh64 conjugacy classes — view the full character table.
| maximal subgroup of | #253315, #253316, #253321, … |
| maximal normal subgroup of | #253315, #253316, #253321, … |
| maximal quotient of | #204490, #204491, #204500, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 14241);