Finite Group Databasebeta

C2×C19×#2205 #18039525

order4864
nilpotency class4
isoclinismisoclinic class of #2204
automorphism?
homologyAbelianization (H1) = C24×C19 · Schur multiplier (H2) = C26

Aliases

direct productC2×C19×#2205

Subgroups

subgroupG/H
center, socleC22×C19B(4,𝔽2)
commutator, Frattini, cosocleC2×Q8C24×C19
prime radicalC2×C19×2−1+4C22
LCSG ▷ C2×Q8 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22×C19 ◁ C23×C19 ◁ C22×Q8×C19 ◁ G

1136 conjugacy classes of subgroups; only the 222 normal subgroups are shown.

normal subgroups only

This group has 1136 conjugacy classes of subgroups — too many to draw. Only its 222 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 37
transitive degreeμt(G) = 608

A minimal faithful permutation representation — 4 generators on 37 points:

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

Conjugacy classes & character table

760 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4864, 26554);