Finite Group Databasebeta
Cayley diagram

C2×#3289 #61099

order256
nilpotency class3
isoclinismisoclinic class of #3288
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC2×#3289

Subgroups

subgroupG/H
center, socleC22D42
commutator, Frattini, cosocleC2×C4C25
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1310 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 34
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 34 points:

(1,2);(3,4,9,15)(5,16,20,31)(6,12,22,30)(7,14,8,13)(10,23,27,19)(11,24,28,21)(17,25,34,26)(18,32,33,29);(3,5,9,20)(4,10,15,27)(6,17,22,34)(7,23,8,19)(11,25,28,26)(12,29,30,32)(13,31,14,16)(18,24,33,21);(3,6)(4,11)(5,17)(7,21)(8,24)(9,22)(10,25)(12,13)(14,30)(15,28)(16,32)(18,23)(19,33)(20,34)(26,27)(29,31);(3,6)(4,12)(5,18)(7,24)(8,21)(9,22)(10,26)(11,13)(14,28)(15,30)(16,32)(17,23)(19,34)(20,33)(25,27)(29,31)

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#152183, C2×#13678, C2×#13680, …
maximal normal subgroup of#152183, C2×#13678, C2×#13680, …
maximal quotient ofC2×#19757, C2×#19758, C2×#19760, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54087);