Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #23387 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | C2×#121 | C22 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C2×#117 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
557 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 28 points:
(5,6)(7,10)(8,9)(11,12)(13,14,16,20)(15,22,23,18)(17,19,25,21)(24,27,28,26);(1,2)(3,4)(6,9)(10,12)(13,15)(14,18)(16,23)(17,24)(19,26)(20,22)(21,27)(25,28);(2,4)(14,19)(17,25)(18,26)(20,21)(22,27)(24,28);(5,7,8,11)(6,10,9,12)(15,23)(18,22)(24,28)(26,27)Polycyclic presentation:
2^8|a^2=h,d^2=eh,f^2=h,b^a=be,c^a=cf,f^a=fh,c^b=cg,d^b=dh,f^c=fh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#23584, #6432026, #6432032, … |
| maximal normal subgroup of | C2×#23584, #6432026, #6432032, … |
| maximal quotient of | #241722, #241725, #241728, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 16572);