Finite Group Databasebeta

C2×#151129 #72231997

order1024
nilpotency class5
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C23×C4

Aliases

direct productC2×#151129

Subgroups

subgroupG/H
center, socleC23#2177
commutatorC2×C16C23×C4
Frattini, cosocleC4×C16C24
prime radicalC22×D32C4
LCSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ C2×C82 ◁ C2×#1311 ◁ G
LECSG ▷ C4×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

657 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 4 generators on 42 points:

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

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#72216311
maximal normal subgroup ofC2×#72216311

GAP

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

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