Finite Group Databasebeta

C22×#15123 #72289347

order1024
nilpotency class2
automorphism?
homologyAbelianization (H1) = C26 · Schur multiplier (H2) = C217

Aliases

direct productC22×#15123

Subgroups

subgroupG/H
center, socleC26C24
commutator, Frattini, cosocleC24C26
LCSG ▷ C24 ▷ C1
UCSC1 ◁ C26 ◁ G
LECSG ▷ C24 ▷ C1

136925 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 512

A minimal faithful permutation representation — 6 generators on 20 points:

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

Conjugacy classes & character table

256 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC22×D4×#392, C23×#15123, C22×#773787, …
maximal normal subgroup ofC22×D4×#392, C23×#15123, C22×#773787, …
maximal quotient ofC23×#15123, C2×#72278348, C22×#154634, …

GAP

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

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