Finite Group Databasebeta
Cayley diagram

C2×#3020 #60384

order256
nilpotency class3
isoclinismisoclinic class of #3019
automorphismAut(G) order 65536
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C210

Aliases

direct productC2×#3020

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC2×C4C25
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

2355 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)(5,13)(6,10)(7,19)(8,11)(9,15)(12,22)(14,30)(16,27)(17,28)(18,25)(20,24)(21,26)(23,31)(29,32)(33,34);(3,5)(4,9)(6,14)(7,20)(8,16)(10,23)(11,24)(12,27)(13,19)(15,22)(17,33)(18,32)(21,31)(25,34)(26,29)(28,30);(3,6,8,18)(4,10,11,25)(5,14,16,32)(7,21,22,17)(9,23,24,34)(12,28,19,26)(13,29,27,30)(15,33,20,31);(4,11)(9,24)(10,25)(12,19)(13,27)(23,34)(26,28)(29,30)

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147775, #152022, #152024, …
maximal normal subgroup of#147775, #152022, #152024, …
maximal quotient ofC2×#18134, C2×#18139, C2×#18142, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53372);