Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #29592 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C24 |
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 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
419 conjugacy classes of subgroups.
| 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)(10,12)(13,14)(15,23)(16,21)(17,20)(18,22)(19,26)(24,27)(25,28);(5,6,8,9)(7,10,11,12)(13,15,17,26)(14,19,20,23)(16,25,18,24)(21,27,22,28);(2,4)(5,7)(6,10)(8,11)(9,12)(14,20)(15,24)(16,18)(19,27)(23,28)(25,26);(7,11)(10,12)(13,16,17,18)(14,21,20,22)(15,25,26,24)(19,27,23,28)Polycyclic presentation:
2^8|a^2=fh,b^2=e,d^2=h,g^2=h,b^a=be,c^a=cf,c^b=cg,g^b=gh,d^c=de,g^c=gh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#29762, #6433186, #6433196, … |
| maximal normal subgroup of | C2×#29762, #6433186, #6433196, … |
| maximal quotient of | #329823, #329824, #329825, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 22750);