Finite Group Databasebeta
Cayley diagram

C2×#1902 #20993

order256
nilpotency class3
isoclinismisoclinic class of #1902
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

direct productC2×#1902

Subgroups

subgroupG/H
center, socleC22#386
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC22×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

827 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)(5,14)(6,18,21,28)(7,22)(8,12)(9,13)(10,16)(11,20,27,19)(15,30,32,24)(17,25)(23,26)(29,31,34,33);(3,5,7,16,9,17,8,23)(4,10,12,14,13,26,22,25)(6,15,20,33,21,32,19,31)(11,24,28,29,27,30,18,34);(3,6)(4,11)(5,15)(7,20)(8,19)(9,21)(10,24)(12,28)(13,27)(14,29)(16,33)(17,32)(18,22)(23,31)(25,34)(26,30)

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#1902, #355850, #356623, …
maximal normal subgroup ofC4×#1902, #355850, #356623, …
maximal quotient ofC2×#9087, C2×#9088, #196079, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13981);