Finite Group Databasebeta
Cayley diagram

C2×#1912 #21011

order256
nilpotency class3
isoclinismisoclinic class of #1909
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

direct productC2×#1912

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

847 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);(3,4,8,12,9,13,7,23)(5,14,18,25,17,29,16,10)(6,19,21,27,22,11,20,26)(15,28,32,24,31,34,30,33);(3,5)(4,10,13,25)(6,15)(7,16)(8,18)(9,17)(11,24,19,33)(12,14,23,29)(20,30)(21,32)(22,31)(26,34,27,28);(3,6,9,22)(4,11,13,19)(5,15,17,31)(7,21,8,20)(10,24,25,33)(12,27,23,26)(14,28,29,34)(16,32,18,30)

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#146659, #147790, #147835, …
maximal normal subgroup of#146659, #147790, #147835, …
maximal quotient ofC2×#9100, C2×#9102, #196238, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13999);