Finite Group Databasebeta

C2×#479961 #72318359

order1024
nilpotency class2
automorphism?
homologyAbelianization (H1) = C23×C42 · Schur multiplier (H2) = C28

Aliases

direct productC2×#479961

Subgroups

subgroupG/H
centerC22×C4C22×C42
commutatorC2×C4C23×C42
Frattini, cosocleC4×C8C25
socleC23C22×#97
prime radicalC22×#41C42
LCSG ▷ C2×C4 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

3109 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 42
transitive degreeμt(G) = 512

A minimal faithful permutation representation — 5 generators on 42 points:

(1,2);(4,7)(9,10)(11,12,14,19,15,21,27,32,16,22,26,20,28,17,29,31)(13,18,24,34,25,36,39,42,23,33,37,35,38,30,40,41);(3,4,8,9,6,7,5,10)(12,17,22,21)(14,26)(18,30,33,36)(19,32,20,31)(24,37)(27,29)(34,42,35,41)(39,40);(3,5,6,8)(4,9,7,10)(11,13)(12,18)(14,24)(15,25)(16,23)(17,30)(19,34)(20,35)(21,36)(22,33)(26,37)(27,39)(28,38)(29,40)(31,41)(32,42);(13,23)(18,33)(24,37)(25,38)(30,36)(34,35)(39,40)(41,42)

Conjugacy classes & character table

232 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#72216926, C2×#72216668, C2×#72224963, …
maximal normal subgroup ofC2×#72216926, C2×#72216668, C2×#72224963, …

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from a minimal faithful permutation representation:

gap> G := Group((1,2), (4,7)(9,10)(11,12,14,19,15,21,27,32,16,22,26,20,28,17,29,31)(13,18,24,34,25,36,39,42,23,33,37,35,38,30,40,41), (3,4,8,9,6,7,5,10)(12,17,22,21)(14,26)(18,30,33,36)(19,32,20,31)(24,37)(27,29)(34,42,35,41)(39,40), (3,5,6,8)(4,9,7,10)(11,13)(12,18)(14,24)(15,25)(16,23)(17,30)(19,34)(20,35)(21,36)(22,33)(26,37)(27,39)(28,38)(29,40)(31,41)(32,42), (13,23)(18,33)(24,37)(25,38)(30,36)(34,35)(39,40)(41,42));