Finite Group Databasebeta
Cayley diagram

C2×#1833 #20756

order256
nilpotency class3
isoclinismisoclinic class of #1812
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×#1833

Subgroups

subgroupG/H
centerC2×C4#117
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC22#382
prime radicalC24#41
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×#117 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

393 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)(5,13,16,9)(6,17,19,32)(7,12)(8,11)(10,18,23,33)(14,27)(15,26,30,22)(20,24)(21,28)(25,34)(29,31);(3,5,7,15,8,16,20,30)(4,9,12,22,11,13,24,26)(6,14,18,28,19,29,33,34)(10,21,17,31,23,25,32,27);(3,6)(4,10,11,23)(5,14)(7,18)(8,19)(9,21,13,25)(12,17,24,32)(15,28)(16,29)(20,33)(22,31,26,27)(30,34)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147001, #147002, #147003, …
maximal normal subgroup of#147001, #147002, #147003, …
maximal quotient ofC2×#8780, C2×#8781, #191136, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13744);