Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of D82 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | D42 |
| commutator, Frattini, cosocle | C42 | C24 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
320 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 32 points:
(1,2)(3,10)(4,6)(5,9)(7,12)(8,13)(11,15)(14,16)(17,18)(19,22)(20,23)(21,25)(24,28)(26,29)(27,31)(30,32);(2,6)(3,11)(4,13)(7,10)(8,9)(12,14)(17,19,21,27)(18,22,25,31)(20,26,28,32)(23,29,24,30);(18,23)(20,28)(22,29)(24,25)(26,32)(30,31);(1,3,5,12)(2,7,9,10)(4,14,13,11)(6,15,8,16)Polycyclic presentation:
2^8|b^2=h,d^2=g,e^2=g,f^2=h,b^a=be,c^a=cf,d^a=dg,e^a=eg,f^a=fh,d^b=de,e^b=eg,f^c=fh,e^d=eg49 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#19991, #6358387, #6358398, … |
| maximal normal subgroup of | C2×#19991, #6358387, #6358398, … |
| maximal quotient of | #220808, #220810, #220812, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 12979);