Finite Group Databasebeta

C4×#41×C19 #11926193

order1216
nilpotency class2
isoclinismisoclinic class of D4
automorphism?
homologyAbelianization (H1) = C23×C4×C19 · Schur multiplier (H2) = C25

Aliases

direct productC4×#41×C19

Subgroups

subgroupG/H
centerC42×C19C22
commutatorC2C23×C4×C19
Frattini, cosocleC22C24×C19
socleC22×C19C24
prime radicalC2×#41×C19C2
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C42×C19 ◁ G

310 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 31
transitive degreeμt(G) = 608

A minimal faithful permutation representation — 4 generators on 31 points:

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

Conjugacy classes & character table

760 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#14562017, #14562022, #14562069, …
maximal subgroup ofC19×#1476, C19×#1477, C19×#1488, …
maximal normal subgroup ofC19×#1476, C19×#1477, C19×#1488, …
maximal quotient ofC4×C19×#117, C42×D4×C19, C42×Q8×C19, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1216, 198);