Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #34980 |
| automorphism | Aut(G) order 262144 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C27×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | C22×#41 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1131 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 28 points:
(2,3)(7,11)(9,12)(13,14,18,15)(16,19,23,21)(17,22,25,20)(24,27,28,26);(1,2,4,3)(5,6,8,10)(7,9,11,12)(14,15)(16,23)(20,22)(24,28);(1,3,4,2)(5,7)(6,9)(8,11)(10,12)(13,15,18,14)(16,21,23,19)(17,22,25,20)(24,27,28,26);(13,16)(14,19)(15,21)(17,24)(18,23)(20,26)(22,27)(25,28);(13,17,18,25)(14,20,15,22)(16,24,23,28)(19,26,21,27)Polycyclic presentation:
2^8|a^2=h,b^2=g,c^2=f,e^2=h,b^a=bf,c^a=cg,e^a=eh,c^b=ch,d^b=dh64 conjugacy classes — view the full character table.
| maximal subgroup of | #97695, #133975, #134155, … |
| maximal normal subgroup of | #97695, #133975, #134155, … |
| maximal quotient of | #516392, #516394, #516612, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 28300);