Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #3192 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C22×C4 | C24 |
| prime radical | C2×#121 | C22 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
559 conjugacy classes of subgroups; only the 191 normal subgroups are shown.
This group has 559 conjugacy classes of subgroups — too many to draw. Only its 191 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) = 128 |
A minimal faithful permutation representation — 4 generators on 28 points:
(1,2)(3,4)(6,9)(7,11)(13,14,17,20,18,21,16,22)(15,19,24,26,25,27,23,28);(5,6)(7,10)(8,9)(11,12)(13,15,18,25)(14,19,21,27)(16,23,17,24)(20,26,22,28);(2,4)(6,9)(10,12)(14,20)(16,17)(19,26)(21,22)(23,24)(27,28);(5,7,8,11)(6,10,9,12)(14,21)(19,27)(20,22)(26,28)Polycyclic presentation:
2^8|a^2=g,b^2=h,d^2=e,f^2=h,g^2=h,b^a=be,c^a=cf,d^a=deh,c^b=ce,f^c=fh,g^c=gh52 conjugacy classes — view the full character table.
| maximal subgroup of | #107391, #108145, #119376, … |
| maximal normal subgroup of | #107391, #108145, #119376, … |
| maximal quotient of | #216063, #216071, #216090, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 14856);