Finite Group Databasebeta

C22×#6454041 #72308692

order2048
nilpotency class3
automorphism?
homologyAbelianization (H1) = C27 · Schur multiplier (H2) = C221

Aliases

direct productC22×#6454041

Subgroups

subgroupG/H
centerC23×C4C2×#120
commutator, Frattini, cosocleC24C27
socleC24C22×#120
LCSG ▷ C24 ▷ C2 ▷ C1
UCSC1 ◁ C23×C4 ◁ C26×C4 ◁ G
LECSG ▷ C24 ▷ C2 ▷ C1

599708 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 7 generators on 20 points:

(1,2);(3,4,7,5)(6,8,10,9)(15,18);(11,12)(13,15)(14,16)(17,18);(3,5,7,4)(6,9,10,8);(3,6)(4,8)(5,9)(7,10);(6,10)(8,9)(11,13,14,17)(12,15,16,18);(19,20)

Conjugacy classes & character table

368 conjugacy classes. The character table is too large to display.

Relationships

maximal quotient ofC2×#72308187

GAP

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

gap> G := Group((1,2), (3,4,7,5)(6,8,10,9)(15,18), (11,12)(13,15)(14,16)(17,18), (3,5,7,4)(6,9,10,8), (3,6)(4,8)(5,9)(7,10), (6,10)(8,9)(11,13,14,17)(12,15,16,18), (19,20));