Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #2018 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | #121 |
| commutator | C22×C4 | C22×C4 |
| Frattini, cosocle | C23×C4 | C23 |
| socle | C22 | #388 |
| prime radical | C24 | #41 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C23×C4 ◁ G | |
| LECS | G ▷ C23×C4 ▷ C2 ▷ C1 | |
311 conjugacy classes of subgroups; only the 111 normal subgroups are shown.
This group has 311 conjugacy classes of subgroups — too many to draw. Only its 111 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 — 3 generators on 20 points:
(2,3)(6,10,12,16)(11,18,13,19);(1,2,4,3)(5,6)(7,13)(8,16)(9,12)(10,17)(11,15)(14,18)(19,20);(1,3,4,2)(5,7,8,14,9,15,17,20)(6,11,10,18,12,13,16,19)Polycyclic presentation:
2^8|a^2=g,b^2=e,c^2=d,d^2=h,b^a=bd,c^a=ce,c^b=cf,d^b=dh,g^b=gh,f^c=fh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#11289, #358303, #358412, … |
| maximal normal subgroup of | C2×#11289, #358303, #358412, … |
| maximal quotient of | #120699, #120742, #120745, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 4277);