Finite Group Databasebeta
Cayley diagram

C2×#1813 #20672

order256
nilpotency class3
isoclinismisoclinic class of #1812
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productC2×#1813

Subgroups

subgroupG/H
centerC2×C4#117
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC22#380
prime radicalC22×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×M16 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

657 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);(3,4,8,12,9,13,7,22)(5,14,17,25,18,29,16,10)(6,19,20,26,21,11,23,27)(15,30,31,34,32,28,33,24);(3,5,7,16,9,18,8,17)(4,10,12,14,13,25,22,29)(6,15,20,31,21,32,23,33)(11,24,26,28,19,34,27,30);(3,6)(4,11)(5,15)(7,20)(8,23)(9,21)(10,24)(12,26)(13,19)(14,28)(16,31)(17,33)(18,32)(22,27)(25,34)(29,30)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#7229, #127320, C2×#7227, …
maximal normal subgroup ofC2×#7229, #127320, C2×#7227, …
maximal quotient ofC2×#8601, C2×#8602, #188754, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13660);