Finite Group Databasebeta
Cayley diagram

C2×#1814 #20674

order256
nilpotency class3
isoclinismisoclinic class of #471
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productC2×#1814

Subgroups

subgroupG/H
centerC2×C4#121
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC22#380
prime radicalC22×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

665 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)(6,19,21,26)(7,22)(8,12)(9,13)(10,16)(11,20,27,23)(15,24,31,34)(17,25)(18,29)(28,30,33,32);(3,5,7,16,9,18,8,17)(4,10,12,14,13,25,22,29)(6,15,20,30,21,31,23,32)(11,24,26,28,27,34,19,33);(3,6)(4,11)(5,15)(7,20)(8,23)(9,21)(10,24)(12,26)(13,27)(14,28)(16,30)(17,32)(18,31)(19,22)(25,34)(29,33)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#146435, #146437, #146438, …
maximal normal subgroup of#146435, #146437, #146438, …
maximal quotient ofC2×#8604, C2×#8605, #188780, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13662);