Finite Group Databasebeta
Cayley diagram

C2×#1915 #21016

order256
nilpotency class3
isoclinismisoclinic class of #1913
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

direct productC2×#1915

Subgroups

subgroupG/H
center, socleC22#386
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
prime radicalC22×#41C22
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

835 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);(3,4,7,12,8,11,13,26)(5,9,16,23,15,24,20,27)(6,17,19,28,18,10,21,25)(14,22,30,33,29,32,31,34);(3,5,13,16,8,15,7,20)(4,9,12,27,11,24,26,23)(6,14,19,31,18,29,21,30)(10,22,28,33,17,32,25,34);(3,6)(4,10)(5,14)(7,21)(8,18)(9,22)(11,17)(12,28)(13,19)(15,29)(16,31)(20,30)(23,34)(24,32)(25,26)(27,33)

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#146612, #146617, #147785, …
maximal normal subgroup of#146612, #146617, #147785, …
maximal quotient ofC2×#9108, #196313, C2×#9110, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14004);