Finite Group Databasebeta

C7⋊Dic469 #27190075

order13132
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C7

Aliases

unambiguous semidirect productC7⋊Dic469
unambiguous semidirect productC67⋊(C7⋊Dic7)

Splittings

derived, HallC72×C67 ⋊ C4
SylowC67 ⋊ C7⋊Dic7
SylowC72 ⋊ Dic67

Subgroups

subgroupG/H
center, Frattini, hypercenterC2C7⋊D469
commutator, hypocenterC72×C67C4
Fitting, socle, prime radical, cosocleC2×C72×C67C2
LCSG ▷ C72×C67
UCSC1 ◁ C2

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 85
transitive degreeμt(G) = 13132

A minimal faithful permutation representation — 3 generators on 85 points:

(2,3)(4,5)(6,7)(8,9)(10,11)(12,13)(14,15)(16,17)(18,19)(20,21)(22,23)(24,25)(26,27)(28,29)(30,31)(32,33)(34,35)(36,37)(38,39)(40,41)(42,43)(44,45)(46,47)(48,49)(50,51)(52,53)(54,55)(56,57)(58,59)(60,61)(62,63)(64,65)(66,67)(68,69,70,71)(73,74)(75,76)(77,78)(80,81)(82,83)(84,85);(1,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,67,65,63,61,59,57,55,53,51,49,47,45,43,41,39,37,35,33,31,29,27,25,23,21,19,17,15,13,11,9,7,5,3)(79,80,82,84,85,83,81);(72,73,75,77,78,76,74)

Polycyclic presentation:

2,7^2,67,2|a^2=e,b^a=b^6,c^a=c^6,d^a=d^66

Conjugacy classes & character table

3286 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(13132, 15);