Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #35346 |
| 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 | |
1139 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)(5,6,9,7)(8,11,12,10)(13,14,18,16)(15,19,21,23)(17,20,25,24)(22,26,27,28);(1,2,4,3)(5,7,9,6)(8,11,12,10)(15,21)(17,25)(19,23)(20,24);(1,3,4,2)(5,8)(6,10)(7,11)(9,12)(13,15)(14,19)(16,23)(17,22)(18,21)(20,26)(24,28)(25,27);(13,16,18,14)(15,19,21,23)(17,24,25,20)(22,26,27,28);(13,17)(14,20)(15,22)(16,24)(18,25)(19,26)(21,27)(23,28)Polycyclic presentation:
2^8|a^2=fgh,b^2=g,c^2=f,d^2=h,b^a=bf,c^a=cg,c^b=ch,e^b=eh,d^c=dh64 conjugacy classes — view the full character table.
| maximal subgroup of | #98737, #129438, #133982, … |
| maximal normal subgroup of | #98737, #129438, #133982, … |
| maximal quotient of | #515338, #515341, #515398, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 28616);