Finite Group Databasebeta
Cayley diagram

C2×#2080 #23648

order256
nilpotency class3
isoclinismisoclinic class of #2031
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productC2×#2080

Subgroups

subgroupG/H
centerC2×C4#124
commutator, Frattini, cosocleC22×C4C24
socleC22#397
prime radicalC22×#41C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

453 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 4 generators on 34 points:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2080, #359276, #359277, …
maximal normal subgroup ofC4×#2080, #359276, #359277, …
maximal quotient ofC2×#10627, C2×#10629, C2×#10628, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16636);